FKIE_CVE-2026-25603

Vulnerability from fkie_nvd - Published: 2026-02-24 18:29 - Updated: 2026-02-26 18:10
Severity ?
6.6 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Linksys MR9600, Linksys MX4200 allows that contents of a USB drive partition can be mounted in an arbitrary location of the file system. This may result in the execution of shell scripts in the context of a root user.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.
References
a6d3dc9e-0591-4a13-bce7-0f5b31ff6158https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-001.txtExploit, Third Party Advisory
Impacted products
Vendor Product Version
linksys mr9600_firmware 1.0.4.205530
linksys mr9600 -
linksys mx4200_firmware 1.0.4.205530
linksys mx4200 -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linksys:mr9600_firmware:1.0.4.205530:*:*:*:*:*:*:*",
              "matchCriteriaId": "53E39864-0A63-4188-A91B-CA024C56237C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:linksys:mr9600:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EEF496D6-F5A4-4859-9BAC-016EB64A701C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linksys:mx4200_firmware:1.0.4.205530:*:*:*:*:*:*:*",
              "matchCriteriaId": "7885670B-8DCF-42F3-8644-B6F240D5E84B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:linksys:mx4200:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9D53D1E6-E087-4837-A2A4-3512644E3DC2",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027) vulnerability in Linksys MR9600, Linksys MX4200 allows that\u00a0contents of a USB drive partition can be mounted in an arbitrary location of the file system. This may result in the execution of shell scripts in the context of a root user.This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de Limitaci\u00f3n Inadecuada de un Nombre de Ruta a un Directorio Restringido (\u0027Salto de Ruta\u0027) en Linksys MR9600, Linksys MX4200 permite que el contenido de una partici\u00f3n de unidad USB pueda montarse en una ubicaci\u00f3n arbitraria del sistema de archivos. Esto puede resultar en la ejecuci\u00f3n de scripts de shell en el contexto de un usuario root. Este problema afecta a MR9600: 1.0.4.205530; MX4200: 1.0.13.210200."
    }
  ],
  "id": "CVE-2026-25603",
  "lastModified": "2026-02-26T18:10:54.523",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.6,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-24T18:29:33.167",
  "references": [
    {
      "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-001.txt"
    }
  ],
  "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.