CVE-2025-66274

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.2.3354 build 20251225 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

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-26-08	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430::::::
	cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530::::::
	cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716::::::
	cpe:2.3:o:qnap:quts_hero:h5.3.1.3250:build_20250912::::::
	cpe:2.3:o:qnap:quts_hero:h5.3.1.3292:build_20251024::::::

History

No history.

Information

Published : 2026-02-11 13:15

Updated : 2026-06-17 09:56

NVD link : CVE-2025-66274

Mitre link : CVE-2025-66274

CVE.ORG link : CVE-2025-66274

JSON object : View

Products Affected

qnap

quts_hero

CWE

CWE-476

NULL Pointer Dereference

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Si un atacante remoto obtiene una cuenta de administrador, 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:\nQuTS hero h5.3.2.3354 build 20251225 y posteriores"}], "lastModified": "2026-06-17T09:56:35.760", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4175C7F7-E946-41C6-8863-E23233B91A2B"}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE16C73E-9291-44FD-A9CB-B7C127E67A6F"}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ED4023E4-6C28-413A-B7B1-6CEEBC48A1C0"}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.1.3250:build_20250912:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A94FE59-675E-4FF1-B971-F5A0A7B98EA7"}, {"criteria": "cpe:2.3:o:qnap:quts_hero:h5.3.1.3292:build_20251024:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "92CE2B8B-4A23-41AA-94C6-D0DBFE06FDC1"}], "operator": "OR"}]}], "sourceIdentifier": "security@qnapsecurity.com.tw"}