Vulnerability-Lookup

GHSA-6QR8-C78Q-5FG9

Vulnerability from github – Published: 2026-06-06 12:31 – Updated: 2026-06-06 12:31

Details

A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: "This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files."

Severity

6.3 (Medium)


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

2.1 (Low)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-11406"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-06T10:16:27Z",
    "severity": "LOW"
  },
  "details": "A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: \"This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files.\"",
  "id": "GHSA-6qr8-c78q-5fg9",
  "modified": "2026-06-06T12:31:37Z",
  "published": "2026-06-06T12:31:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-11406"
    },
    {
      "type": "WEB",
      "url": "https://fw.gl-inet.cn/firmware/mt3000/testing/mt3000-4.9.0_beta3-1012-0513-1778656146.tar"
    },
    {
      "type": "WEB",
      "url": "https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/ovpn_client_import"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-11406"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/820049"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/368966"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/368966/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-11406 (GCVE-0-2026-11406)

Vulnerability from cvelistv5 – Published: 2026-06-06 09:15 – Updated: 2026-06-08 16:27

Title

GL.iNet MT3000 OpenVPN Client Import Workflow ovpnclient.sh command injection

Summary

Severity

5.3 (Medium)


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

6.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-08 16:27 UTC

CWE

CWE-77 - Command Injection
CWE-74 - Injection

Assigner

VulDB mitre root

References

6 references

URL	Tags
https://vuldb.com/vuln/368966	vdb-entry
https://vuldb.com/vuln/368966/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11406	third-party-advisory
https://vuldb.com/submit/820049	third-party-advisory
https://github.com/StrTzz123/iot_vul/tree/main/GL…	exploit
https://fw.gl-inet.cn/firmware/mt3000/testing/mt3…	patch

Impacted products

1 product

Vendor	Product	Version
GL.iNet	MT3000	Affected: 4.4.0 Affected: 4.4.1 Affected: 4.4.2 Affected: 4.4.3 Affected: 4.4.4 Affected: 4.4.5 Unaffected: 4.9.0_beta3-1012-0513-1778656146 cpe:2.3:o:gl-inet:mt3000_firmware::::::::

Credits

strforexc (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-11406",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-08T16:27:49.061711Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:gl-inet:mt3000_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "OpenVPN Client Import Workflow"
          ],
          "product": "MT3000",
          "vendor": "GL.iNet",
          "versions": [
            {
              "status": "affected",
              "version": "4.4.0"
            },
            {
              "status": "affected",
              "version": "4.4.1"
            },
            {
              "status": "affected",
              "version": "4.4.2"
            },
            {
              "status": "affected",
              "version": "4.4.3"
            },
            {
              "status": "affected",
              "version": "4.4.4"
            },
            {
              "status": "affected",
              "version": "4.4.5"
            },
            {
              "status": "unaffected",
              "version": "4.9.0_beta3-1012-0513-1778656146"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "strforexc (VulDB User)"
        },
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          "lang": "en",
          "type": "coordinator",
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was determined in GL.iNet MT3000 up to 4.4.5. This vulnerability affects unknown code of the file ovpnclient.sh of the component OpenVPN Client Import Workflow. This manipulation causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. Upgrading to version 4.9.0_beta3-1012-0513-1778656146 is able to resolve this issue. You should upgrade the affected component. The vendor confirms: \"This issue has been addressed by implementing malicious checks on OpenVPN configuration files to prevent command injection attacks carried through malicious configuration files.\""
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
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            "version": "3.1"
          }
        },
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          "cvssV3_0": {
            "baseScore": 6.3,
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            "version": "3.0"
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        },
        {
          "cvssV2_0": {
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            "version": "2.0"
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      },
      "references": [
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          "name": "VDB-368966 | GL.iNet MT3000 OpenVPN Client Import Workflow ovpnclient.sh command injection",
          "tags": [
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          "url": "https://vuldb.com/vuln/368966"
        },
        {
          "name": "VDB-368966 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/368966/cti"
        },
        {
          "name": "CVE-2026-11406 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-11406"
        },
        {
          "name": "Submit #820049 | GL.iNet MT3000 4.4.5 Command Injection",
          "tags": [
            "third-party-advisory"
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        {
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          "url": "https://fw.gl-inet.cn/firmware/mt3000/testing/mt3000-4.9.0_beta3-1012-0513-1778656146.tar"
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          "time": "2026-06-05T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-06-05T20:31:32.000Z",
          "value": "VulDB entry last update"
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      "title": "GL.iNet MT3000 OpenVPN Client Import Workflow ovpnclient.sh command injection"
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    "dateReserved": "2026-06-05T18:26:22.054Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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GHSA-6QR8-C78Q-5FG9

CVE-2026-11406 (GCVE-0-2026-11406)

Tags

Sightings

Nomenclature

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