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CVE-2026-11826 (GCVE-0-2026-11826)

Vulnerability from nvd – Published: 2026-07-18 13:35 – Updated: 2026-07-28 01:48

Title

OpenPLC_v3 Heap-Based Buffer Overflow in Modbus Master getData()

Summary

OpenPLC_v3 contains a heap-based buffer overflow in the getData() function in webserver/core/modbus_master.cpp. getData() reads characters between two delimiters into a caller-supplied buffer with no size parameter and no bounds check. In parseConfig() the function is invoked with the 100-byte heap-allocated MB_device.dev_name field. An authenticated attacker with access to the OpenPLC web interface can send a crafted HTTP POST to the /modbus endpoint with an oversized device_name value; the value is persisted to mbconfig.cfg and parsed on load, overflowing dev_name and overwriting adjacent struct fields (protocol at offset 108, dev_address at offset 109, ip_port at offset 210). A 200-byte payload writes 100 bytes past the allocation. The result is heap corruption leading to runtime crash and denial of service of the PLC process control loop, with attacker-controlled overwrite of adjacent configuration fields. The upstream repository was archived on 2026-04-04 and no fix is expected; the vendor has confirmed the issue does not affect OpenPLC Runtime v4.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-20 17:02 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 5496 records in the last 180 days details

References

4 references

URL	Tags
https://gist.github.com/Shukhrat-03/5cf1825b72e48…	technical-description
https://github.com/thiagoralves/OpenPLC_v3/commit…	patch
https://github.com/thiagoralves/OpenPLC_v3	product
https://www.vulncheck.com/advisories/openplc-v3-h…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
openplcproject	OpenPLC_v3	Affected: 0 , ≤ b470206 (git) cpe:2.3:h:openplcproject:openplc_v3::::::::

Date Public

2026-07-17 00:00

Credits

Shuhratbek Uraimov Shuhratbek Uraimov

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-11826",
                "options": [
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                    "Exploitation": "none"
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                    "Technical Impact": "total"
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          "value": "Shuhratbek Uraimov"
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      "datePublic": "2026-07-17T00:00:00.000Z",
      "descriptions": [
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          "lang": "en",
          "value": "OpenPLC_v3 contains a heap-based buffer overflow in the getData() function in webserver/core/modbus_master.cpp. getData() reads characters between two delimiters into a caller-supplied buffer with no size parameter and no bounds check. In parseConfig() the function is invoked with the 100-byte heap-allocated MB_device.dev_name field. An authenticated attacker with access to the OpenPLC web interface can send a crafted HTTP POST to the /modbus endpoint with an oversized device_name value; the value is persisted to mbconfig.cfg and parsed on load, overflowing dev_name and overwriting adjacent struct fields (protocol at offset 108, dev_address at offset 109, ip_port at offset 210). A 200-byte payload writes 100 bytes past the allocation. The result is heap corruption leading to runtime crash and denial of service of the PLC process control loop, with attacker-controlled overwrite of adjacent configuration fields. The upstream repository was archived on 2026-04-04 and no fix is expected; the vendor has confirmed the issue does not affect OpenPLC Runtime v4."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "Heap-based Buffer Overflow",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-07-28T01:48:21.734Z",
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        },
        {
          "name": "Patch Commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/thiagoralves/OpenPLC_v3/commit/b4702061dc14d1024856f71b4543298d77007b88"
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        {
          "name": "Product",
          "tags": [
            "product"
          ],
          "url": "https://github.com/thiagoralves/OpenPLC_v3"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/openplc-v3-heap-based-buffer-overflow-in-modbus-master-getdata"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "OpenPLC_v3 Heap-Based Buffer Overflow in Modbus Master getData()",
      "x_generator": {
        "engine": "vulncheck"
      }
    }
  },
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    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-11826",
    "datePublished": "2026-07-18T13:35:35.639Z",
    "dateReserved": "2026-06-09T19:53:45.722Z",
    "dateUpdated": "2026-07-28T01:48:21.734Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2024-39590 (GCVE-0-2024-39590)

Vulnerability from nvd – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 17:19 UTC

CWE

CWE-704 - Incorrect Type Conversion or Cast

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a
openplcproject	openplc_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "openplc_v3",
            "vendor": "openplcproject",
            "versions": [
              {
                "status": "affected",
                "version": "16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-39590",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-18T17:19:42.913060Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-18T17:24:34.213Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T16:12:28.934Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2016"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenPLC_v3",
          "vendor": "OpenPLC",
          "versions": [
            {
              "status": "affected",
              "version": "16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by Jared Rittle of Cisco Talos."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
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              "description": "CWE-704: Incorrect Type Conversion or Cast",
              "lang": "en",
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          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2024-39590",
    "datePublished": "2024-09-18T14:35:54.423Z",
    "dateReserved": "2024-06-26T08:54:03.201Z",
    "dateUpdated": "2025-11-04T16:12:28.934Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2024-39589 (GCVE-0-2024-39589)

Vulnerability from nvd – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Read_Reply` function

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 17:27 UTC

CWE

CWE-704 - Incorrect Type Conversion or Cast

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a
openplcproject	openplc_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "openplc_v3",
            "vendor": "openplcproject",
            "versions": [
              {
                "status": "affected",
                "version": "16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a"
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        "metrics": [
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              "content": {
                "id": "CVE-2024-39589",
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                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-18T17:27:24.473294Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-18T17:28:52.222Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
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        "providerMetadata": {
          "dateUpdated": "2025-11-04T16:12:27.921Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          }
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    ],
    "cna": {
      "affected": [
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          "product": "OpenPLC_v3",
          "vendor": "OpenPLC",
          "versions": [
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              "status": "affected",
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          "lang": "en",
          "value": "Discovered by Jared Rittle of Cisco Talos."
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        }
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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    "datePublished": "2024-09-18T14:35:54.295Z",
    "dateReserved": "2024-06-26T08:54:03.200Z",
    "dateUpdated": "2025-11-04T16:12:27.921Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2024-36981 (GCVE-0-2024-36981)

Vulnerability from nvd – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.This is the final instance of the incorrect comparison.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 18:14 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88
openplcproject	openplc_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88 cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
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CVE-2024-36980 (GCVE-0-2024-36980)

Vulnerability from nvd – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.This is the first instance of the incorrect comparison.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 18:20 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88
openplcproject	openplc_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88 cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

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CVE-2024-34026 (GCVE-0-2024-34026)

Vulnerability from nvd – Published: 2024-09-18 14:35 – Updated: 2024-09-18 18:23

Summary

A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted EtherNet/IP request can lead to remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

Severity

9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 18:22 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88
openplcproject	openplc_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88 cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

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CVE-2026-11826 (GCVE-0-2026-11826)

Vulnerability from cvelistv5 – Published: 2026-07-18 13:35 – Updated: 2026-07-28 01:48

Title

OpenPLC_v3 Heap-Based Buffer Overflow in Modbus Master getData()

Summary

OpenPLC_v3 contains a heap-based buffer overflow in the getData() function in webserver/core/modbus_master.cpp. getData() reads characters between two delimiters into a caller-supplied buffer with no size parameter and no bounds check. In parseConfig() the function is invoked with the 100-byte heap-allocated MB_device.dev_name field. An authenticated attacker with access to the OpenPLC web interface can send a crafted HTTP POST to the /modbus endpoint with an oversized device_name value; the value is persisted to mbconfig.cfg and parsed on load, overflowing dev_name and overwriting adjacent struct fields (protocol at offset 108, dev_address at offset 109, ip_port at offset 210). A 200-byte payload writes 100 bytes past the allocation. The result is heap corruption leading to runtime crash and denial of service of the PLC process control loop, with attacker-controlled overwrite of adjacent configuration fields. The upstream repository was archived on 2026-04-04 and no fix is expected; the vendor has confirmed the issue does not affect OpenPLC Runtime v4.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-20 17:02 UTC

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 5496 records in the last 180 days details

References

4 references

URL	Tags
https://gist.github.com/Shukhrat-03/5cf1825b72e48…	technical-description
https://github.com/thiagoralves/OpenPLC_v3/commit…	patch
https://github.com/thiagoralves/OpenPLC_v3	product
https://www.vulncheck.com/advisories/openplc-v3-h…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
openplcproject	OpenPLC_v3	Affected: 0 , ≤ b470206 (git) cpe:2.3:h:openplcproject:openplc_v3::::::::

Date Public

2026-07-17 00:00

Credits

Shuhratbek Uraimov Shuhratbek Uraimov

Show details on NVD website

JSON

To clipboard

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        "dateUpdated": "2026-07-28T01:48:21.734Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Gist",
          "tags": [
            "technical-description"
          ],
          "url": "https://gist.github.com/Shukhrat-03/5cf1825b72e485ef98a32958dfbc611a#security-vulnerability-report"
        },
        {
          "name": "Patch Commit",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/thiagoralves/OpenPLC_v3/commit/b4702061dc14d1024856f71b4543298d77007b88"
        },
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          "name": "Product",
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        "discovery": "UNKNOWN"
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      "title": "OpenPLC_v3 Heap-Based Buffer Overflow in Modbus Master getData()",
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}

CVE-2024-36981 (GCVE-0-2024-36981)

Vulnerability from cvelistv5 – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.This is the final instance of the incorrect comparison.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 18:14 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88
openplcproject	openplc_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88 cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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CVE-2024-36980 (GCVE-0-2024-36980)

Vulnerability from cvelistv5 – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.This is the first instance of the incorrect comparison.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 18:20 UTC

CWE

CWE-125 - Out-of-bounds Read

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88
openplcproject	openplc_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88 cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

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CVE-2024-34026 (GCVE-0-2024-34026)

Vulnerability from cvelistv5 – Published: 2024-09-18 14:35 – Updated: 2024-09-18 18:23

Summary

A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted EtherNet/IP request can lead to remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.

Severity

9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 18:22 UTC

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88
openplcproject	openplc_v3	Affected: b4702061dc14d1024856f71b4543298d77007b88 cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

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CVE-2024-39590 (GCVE-0-2024-39590)

Vulnerability from cvelistv5 – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 17:19 UTC

CWE

CWE-704 - Incorrect Type Conversion or Cast

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a
openplcproject	openplc_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

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      {
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              "version": "16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Discovered by Jared Rittle of Cisco Talos."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-704",
              "description": "CWE-704: Incorrect Type Conversion or Cast",
              "lang": "en",
              "type": "CWE"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-18T14:35:54.423Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
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          "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016",
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
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    "cveId": "CVE-2024-39590",
    "datePublished": "2024-09-18T14:35:54.423Z",
    "dateReserved": "2024-06-26T08:54:03.201Z",
    "dateUpdated": "2025-11-04T16:12:28.934Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2024-39589 (GCVE-0-2024-39589)

Vulnerability from cvelistv5 – Published: 2024-09-18 14:35 – Updated: 2025-11-04 16:12

Summary

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Read_Reply` function

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-18 17:27 UTC

CWE

CWE-704 - Incorrect Type Conversion or Cast

Assigner

talos CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://talosintelligence.com/vulnerability_repor…
https://www.talosintelligence.com/vulnerability_r…

Impacted products

2 products

Vendor	Product	Version
OpenPLC	OpenPLC_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a
openplcproject	openplc_v3	Affected: 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a cpe:2.3:h:openplcproject:openplc_v3:-:::::::*

Credits

Discovered by Jared Rittle of Cisco Talos.

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "openplc_v3",
            "vendor": "openplcproject",
            "versions": [
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                "status": "affected",
                "version": "16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a"
              }
            ]
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        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-39589",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-18T17:27:24.473294Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
          "dateUpdated": "2024-09-18T17:28:52.222Z",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T16:12:27.921Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2016"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "OpenPLC_v3",
          "vendor": "OpenPLC",
          "versions": [
            {
              "status": "affected",
              "version": "16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a"
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        {
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      ],
      "descriptions": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016"
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    "dateUpdated": "2025-11-04T16:12:27.921Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Find a vulnerability

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12 vulnerabilities found for OpenPLC_v3 by openplcproject

CVE-2026-11826 (GCVE-0-2026-11826)

CVE-2024-39590 (GCVE-0-2024-39590)

CVE-2024-39589 (GCVE-0-2024-39589)

CVE-2024-36981 (GCVE-0-2024-36981)

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CVE-2024-34026 (GCVE-0-2024-34026)

CVE-2026-11826 (GCVE-0-2026-11826)

CVE-2024-36981 (GCVE-0-2024-36981)

CVE-2024-36980 (GCVE-0-2024-36980)

CVE-2024-34026 (GCVE-0-2024-34026)

CVE-2024-39590 (GCVE-0-2024-39590)

CVE-2024-39589 (GCVE-0-2024-39589)

Find a vulnerability

Search criteria ⓘ Use this form to refine search results. Full-text search supports keyword queries with ranking and filtering. You can combine vendor, product, and sources to narrow results. Enable “Apply ordering” to sort by date instead of relevance.

12 vulnerabilities found for OpenPLC_v3 by openplcproject

CVE-2026-11826 (GCVE-0-2026-11826)

CVE-2024-39590 (GCVE-0-2024-39590)

CVE-2024-39589 (GCVE-0-2024-39589)

CVE-2024-36981 (GCVE-0-2024-36981)

CVE-2024-36980 (GCVE-0-2024-36980)

CVE-2024-34026 (GCVE-0-2024-34026)

CVE-2026-11826 (GCVE-0-2026-11826)

CVE-2024-36981 (GCVE-0-2024-36981)

CVE-2024-36980 (GCVE-0-2024-36980)

CVE-2024-34026 (GCVE-0-2024-34026)

CVE-2024-39590 (GCVE-0-2024-39590)

CVE-2024-39589 (GCVE-0-2024-39589)

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.