CVE-2025-66280

An integer overflow or wraparound 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 compromise the security of the system. 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 h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

CVSS

No CVSS.

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-26-10

Configurations

No configuration.

History

10 Jun 2026, 04:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 04:17

Updated : 2026-06-10 04:17

NVD link : CVE-2025-66280

Mitre link : CVE-2025-66280

CVE.ORG link : CVE-2025-66280

JSON object : View

Products Affected

No product.

CWE

CWE-121

Stack-based Buffer Overflow

CWE-190

Integer Overflow or Wraparound

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