Vulnerability-Lookup

GHSA-FG52-HQV7-VCF6

Vulnerability from github – Published: 2026-06-17 18:35 – Updated: 2026-06-17 18:35

Details

An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could, with a Slow Loris attack, cause Denial of Service (DoS) on the web interface of the device. This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.05.10.02.

Severity

6.9 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-27869"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-17T13:20:13Z",
    "severity": "MODERATE"
  },
  "details": "An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could, with a Slow Loris attack, cause Denial of Service (DoS) on the web interface of the device.\u00a0This issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02.",
  "id": "GHSA-fg52-hqv7-vcf6",
  "modified": "2026-06-17T18:35:48Z",
  "published": "2026-06-17T18:35:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27869"
    },
    {
      "type": "WEB",
      "url": "https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf"
    },
    {
      "type": "WEB",
      "url": "https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026none=true\u0026language=en-US"
    },
    {
      "type": "WEB",
      "url": "https://www.hackrtu.com/blog/CNA-CVE-2026-27869"
    },
    {
      "type": "WEB",
      "url": "https://www.hackrtu.com/blog/CNA-HRTU-0002"
    },
    {
      "type": "WEB",
      "url": "https://www.teldat.com/es"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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-2026-27869 (GCVE-0-2026-27869)

Vulnerability from cvelistv5 – Published: 2026-06-17 08:13 – Updated: 2026-06-17 14:20

Title

WEB SERVICE (HTTP) DENIAL OF SERVICE VIA SLOW HEADERS ON REGESTA SMART HD-PLC OF TELDAT

Summary

Severity

6.9 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - Allocation of resources without limits or throttling

Assigner

HackRTU

References

5 references

URL	Tags
https://www.hackrtu.com/blog/CNA-HRTU-0002/	technical-descriptionpatch
https://www.hackrtu.com/blog/CNA-CVE-2026-27869/	technical-descriptionpatch
https://www.teldat.com/es/	product
https://support.teldat.com/images/content/docs/Te…	product
https://support.teldat.com/portal/supportcontent?…	patch

Impacted products

1 product

Vendor	Product	Version
Teldat	Regesta Smart HD-PLC - TLDPH16D2	Affected: 11.02.05.10.02 Unaffected: 11.02.06.00.02

Date Public

2026-06-17 08:00

Credits

Aarón Flecha Menéndez Víctor Bello Cuevas

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27869",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-17T14:20:10.059533Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-17T14:20:21.690Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Regesta Smart HD-PLC - TLDPH16D2",
          "vendor": "Teldat",
          "versions": [
            {
              "status": "affected",
              "version": "11.02.05.10.02"
            },
            {
              "status": "unaffected",
              "version": "11.02.06.00.02"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:teldat:regesta_smart_hd-plc_-_tldph16d2:11.02.05.10.02:*:*:*:*:*:*:*",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:teldat:regesta_smart_hd-plc_-_tldph16d2:11.02.06.00.02:*:*:*:*:*:*:*",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "OR"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Aar\u00f3n Flecha Men\u00e9ndez"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "V\u00edctor Bello Cuevas"
        }
      ],
      "datePublic": "2026-06-17T08:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could, with a Slow Loris attack, cause \u003cb\u003eDenial of Service (DoS)\u003c/b\u003e on the web interface of the device.\u0026nbsp;\u003cspan\u003eT\u003c/span\u003e\u003cspan\u003ehis issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02.\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, NO registration action is required) who has the vulnerable software could, with a Slow Loris attack, cause Denial of Service (DoS) on the web interface of the device.\u00a0This issue affects Regesta Smart HD-PLC - TLDPH16D2: \n11.02.05.10.02."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-227",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-227 Sustained Client Engagement"
            }
          ]
        },
        {
          "capecId": "CAPEC-469",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-469 HTTP DoS"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770 Allocation of resources without limits or throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-17T11:44:59.706Z",
        "orgId": "ffb98d57-deaa-4918-a669-5225ccc13e39",
        "shortName": "HackRTU"
      },
      "references": [
        {
          "tags": [
            "technical-description",
            "patch"
          ],
          "url": "https://www.hackrtu.com/blog/CNA-HRTU-0002/"
        },
        {
          "tags": [
            "technical-description",
            "patch"
          ],
          "url": "https://www.hackrtu.com/blog/CNA-CVE-2026-27869/"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.teldat.com/es/"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://support.teldat.com/images/content/docs/Teldat_dm1087_regesta_smart_nessum_series_installation(1).pdf"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026none=true\u0026language=en-US"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The provider has implement the new version\u0026nbsp;\u003cb\u003e11.02.06.00.02\u003c/b\u003e\u0026nbsp;which solves the security problems detected in the affected version. The end user has to download the new version in the \u003cb\u003eTeldat - Client Support Portal\u003c/b\u003e and implement it in the device (\n\u003ca href=\"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026amp;none=true\u0026amp;language=en-US\" title=\"https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026amp;none=true\u0026amp;language=en-US\"\u003ehttps://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026amp;none=true\u0026amp;language=en-US\u003c/a\u003e)."
            }
          ],
          "value": "The provider has implement the new version\u00a011.02.06.00.02\u00a0which solves the security problems detected in the affected version. The end user has to download the new version in the Teldat - Client Support Portal and implement it in the device (\n https://support.teldat.com/portal/supportcontent?page=cgs-customer-global-support\u0026none=true\u0026language=en-US )."
        }
      ],
      "source": {
        "advisory": "HRTU#0003",
        "discovery": "EXTERNAL"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-20T09:00:00.000Z",
          "value": "Vulnerability detection by the researchers"
        },
        {
          "lang": "en",
          "time": "2026-02-22T09:00:00.000Z",
          "value": "Report from researchers to the CNA of HackRTU"
        },
        {
          "lang": "en",
          "time": "2026-02-25T09:00:00.000Z",
          "value": "Report from HackRTU CNA to the provider"
        },
        {
          "lang": "en",
          "time": "2026-05-29T08:00:00.000Z",
          "value": "New version published by the provider"
        },
        {
          "lang": "en",
          "time": "2026-06-17T08:00:00.000Z",
          "value": "Vulnerabilities published by HackRTU\u0027s CNA"
        }
      ],
      "title": "WEB SERVICE (HTTP) DENIAL OF SERVICE VIA SLOW HEADERS ON REGESTA SMART HD-PLC OF TELDAT",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ffb98d57-deaa-4918-a669-5225ccc13e39",
    "assignerShortName": "HackRTU",
    "cveId": "CVE-2026-27869",
    "datePublished": "2026-06-17T08:13:37.802Z",
    "dateReserved": "2026-02-24T08:59:28.139Z",
    "dateUpdated": "2026-06-17T14:20:21.690Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-FG52-HQV7-VCF6

CVE-2026-27869 (GCVE-0-2026-27869)

Tags

Sightings

Nomenclature