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CVE-2025-62855

Estado: AnalizadaBaja (1.3)—

A path traversal vulnerability has been reported to affect File Station 5. If a local attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data.

We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5190 and later

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Qnap — File Station

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-62855",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2025-62855",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-11T21:05:48.992134Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "security@qnapsecurity.com.tw",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 1.3,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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",
          "exploitMaturity": "UNREPORTED",
          "providerUrgency": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "security@qnapsecurity.com.tw",
      "affectedData": [
        {
          "vendor": "QNAP Systems Inc.",
          "product": "File Station 5",
          "versions": [
            {
              "status": "affected",
              "version": "5.5.x",
              "lessThan": "5.5.6.5190",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-02-11T13:15:57.950",
  "references": [
    {
      "url": "https://www.qnap.com/en/security-advisory/qsa-26-03",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@qnapsecurity.com.tw"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@qnapsecurity.com.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A path traversal vulnerability has been reported to affect File Station 5. If a local attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data.\n\nWe have already fixed the vulnerability in the following version:\nFile Station 5 5.5.6.5190 and later"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de salto de ruta ha sido reportada que afecta a File Station 5. Si un atacante local obtiene una cuenta de administrador, puede entonces explotar la vulnerabilidad para leer el contenido de archivos inesperados o datos del sistema.\n\nYa hemos corregido la vulnerabilidad en la siguiente versión:\nFile Station 5 5.5.6.5190 y posteriores"
    }
  ],
  "lastModified": "2026-06-17T09:52:32.513",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "5.5.6.5190",
              "versionStartIncluding": "5.5.6.4691"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security@qnapsecurity.com.tw"
}