CVE-2025-62855

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 v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-26-03	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*

History

17 Jun 2026, 09:52

Type	Values Removed	Values Added
Summary		(es) 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. Ya hemos corregido la vulnerabilidad en la siguiente versión: File Station 5 5.5.6.5190 y posteriores

12 Feb 2026, 19:46

Type	Values Removed	Values Added
CPE		cpe:2.3:a:qnap:file_station::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.4
References	~~() https://www.qnap.com/en/security-advisory/qsa-26-03 -~~	() https://www.qnap.com/en/security-advisory/qsa-26-03 - Vendor Advisory
First Time		Qnap file Station Qnap

11 Feb 2026, 13:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-11 13:15

Updated : 2026-06-17 09:52

NVD link : CVE-2025-62855

Mitre link : CVE-2025-62855

CVE.ORG link : CVE-2025-62855

JSON object : View

Products Affected

qnap

file_station

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2025-62855", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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", "userInteraction": "NONE", "attackComplexity": "LOW", "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 versi\u00f3n:\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:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6D67625-2A0F-408C-AEA4-C78A8AC2892E", "versionEndExcluding": "5.5.6.5190", "versionStartIncluding": "5.5.6.4691"}], "operator": "OR"}]}], "sourceIdentifier": "security@qnapsecurity.com.tw"}