CVE-2025-59386 LOW

CVE-2025-59386: QuTS hero

Vendor Qnap Systems Inc.
Product QuTS hero
Weakness CWE-476
Published February 11, 2026
Last update February 27, 2026

CVSS base score

1.2/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 27, 2026 Record updated