Vulnerability-Lookup

GHSA-55W5-976H-WFMC

Vulnerability from github – Published: 2025-10-22 06:31 – Updated: 2025-10-22 06:31

Details

Mercku M6a devices through 2.1.0 allow TELNET sessions via a router.telnet.enabled.update request by an administrator.

Severity ?

2.4 (Low)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-62773"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-912"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-10-22T04:16:08Z",
    "severity": "LOW"
  },
  "details": "Mercku M6a devices through 2.1.0 allow TELNET sessions via a router.telnet.enabled.update request by an administrator.",
  "id": "GHSA-55w5-976h-wfmc",
  "modified": "2025-10-22T06:31:11Z",
  "published": "2025-10-22T06:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-62773"
    },
    {
      "type": "WEB",
      "url": "https://blog.nullvoid.me/posts/mercku-exploits"
    },
    {
      "type": "WEB",
      "url": "https://seclists.org/fulldisclosure/2025/Oct/10"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-62773 (GCVE-0-2025-62773)

Vulnerability from cvelistv5 – Published: 2025-10-22 00:00 – Updated: 2025-10-22 15:49

Summary

Mercku M6a devices through 2.1.0 allow TELNET sessions via a router.telnet.enabled.update request by an administrator.

Severity ?

2.4 (Low)


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

CWE

CWE-912 - Hidden Functionality

Assigner

mitre

References

URL

Tags

	https://seclists.org/fulldisclosure/2025/Oct/10
	https://blog.nullvoid.me/posts/mercku-exploits/

Impacted products

	Vendor	Product	Version
	Mercku	M6a	Affected: 0 , ≤ 2.1.0 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-62773",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-22T15:49:05.374648Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-22T15:49:34.134Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "M6a",
          "vendor": "Mercku",
          "versions": [
            {
              "lessThanOrEqual": "2.1.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Mercku M6a devices through 2.1.0 allow TELNET sessions via a router.telnet.enabled.update request by an administrator."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-912",
              "description": "CWE-912 Hidden Functionality",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-22T02:59:34.118Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://seclists.org/fulldisclosure/2025/Oct/10"
        },
        {
          "url": "https://blog.nullvoid.me/posts/mercku-exploits/"
        }
      ],
      "x_generator": {
        "engine": "enrichogram 0.0.1"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-62773",
    "datePublished": "2025-10-22T00:00:00.000Z",
    "dateReserved": "2025-10-22T00:00:00.000Z",
    "dateUpdated": "2025-10-22T15:49:34.134Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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-55W5-976H-WFMC

CVE-2025-62773 (GCVE-0-2025-62773)

Tags

Sightings

Nomenclature