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CVE-2025-61105

Full vulnerability record from the local CVENow database.

Description

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_link_info function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2025-10-27 20:15:54.240000
Last modified
2026-11-05 21:10:00.183000
View original CVE JSON
{
  "id": "CVE-2025-61105",
  "sourceIdentifier": "[email protected]",
  "published": "2025-10-27T20:15:54.240",
  "lastModified": "2026-11-05T21:10:00.183",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_link_info function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet."
    },
    {
      "lang": "es",
      "value": "FRRouting/frr desde la v4.0 hasta la v10.4.1 se descubrió que contenía una desreferencia de puntero NULL a través de la función show_vty_link_info en ospf_ext.c. Esta vulnerabilidad permite a los atacantes causar una denegación de servicio (DoS) a través de un paquete OSPF manipulado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-10-28T17:06:33.933227Z",
          "id": "CVE-2025-61105",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.0",
              "versionEndIncluding": "10.4.1",
              "matchCriteriaId": "B41245C0-85A2-4A77-BF46-27F573E6F588"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/FRRouting/frr/issues/19471",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/FRRouting/frr/pull/19480",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/FRRouting/frr/pull/19480/commits/fdd957408605d4a1766225630aafc7e6b7c3daf3",
      "source": "[email protected]",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://github.com/s1awwhy/BugList/blob/main/CVE-2025-61105.md",
      "source": "[email protected]",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}