Security Advisory

CVE-2025-66281

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-10 03:06:06

Last updated 2026-06-10 15:50:06

Assigner qnap

CVSS score 6.9

State PUBLISHED

Description

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers 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 h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

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