CVE-2025-62854

An uncontrolled resource consumption vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5190 and later

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

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 consumo de recursos no controlado ha sido reportada que afecta a File Station 5. Si un atacante remoto obtiene una cuenta de usuario, puede entonces explotar la vulnerabilidad para lanzar un ataque de denegación de servicio (DoS). Ya hemos corregido la vulnerabilidad en la siguiente versión: File Station 5 5.5.6.5190 y posteriores

12 Feb 2026, 19:48

Type	Values Removed	Values Added
First Time		Qnap file Station Qnap
References	~~() https://www.qnap.com/en/security-advisory/qsa-26-03 -~~	() https://www.qnap.com/en/security-advisory/qsa-26-03 - Vendor Advisory
CPE		cpe:2.3:a:qnap:file_station::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5

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-2025-62854

Mitre link : CVE-2025-62854

CVE.ORG link : CVE-2025-62854

JSON object : View

Products Affected

qnap

file_station

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2025-62854", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-62854", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-11T15:51:12.095529Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}], "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:N/VI:N/VA:L/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": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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": "2026-02-11T13:15:57.817", "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-400"}]}], "descriptions": [{"lang": "en", "value": "An uncontrolled resource consumption vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.\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 consumo de recursos no controlado ha sido reportada que afecta a File Station 5. Si un atacante remoto obtiene una cuenta de usuario, puede entonces explotar la vulnerabilidad para lanzar un ataque de denegaci\u00f3n de servicio (DoS).\n\nYa hemos corregido la vulnerabilidad en la siguiente versi\u00f3n:\nFile Station 5 5.5.6.5190 y posteriores"}], "lastModified": "2026-06-17T09:52:32.400", "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"}