VULNERABILITY INTELLIGENCE

CVE-2025-66281

CVSS score7.2 HIGH
EPSS probability0.46%
CISA KEVNot currently listed
Published2026-06-10
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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

Weakness classification

  • security@qnapsecurity.com.tw: CWE-476

Primary references