QuTS hero_CVE-2025-66274

1.2 / 10

LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U

Description

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 version:
QuTS hero h5.3.2.3354 build 20251225 and later

Basic Information

ID CVE-2025-66274

Source qnap

Published Feb 11, 2026 at 12:15

Affected Product

Vendor QNAP Systems Inc.

Product QuTS hero

Version ?

Affected Versions QNAP Systems Inc. QuTS hero ?

CWE Classification

CWE-476

References

www.qnap.com /en/security-advisory/qsa-26-08

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