Main Vulnerability Database Vulnerabilities #VU122751

Use of Uninitialized Variable in QuTS hero and QNAP QTS - CVE-2025-58466

Published: February 12, 2026

Vulnerability identifier: #VU122751

CSH Severity: Low

CVSS v4: 5.1 [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]

CVE-ID: CVE-2025-58466

CWE-ID: CWE-457

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized variable. A remote administrator can cause a denial of service condition on the target system.

QuTS hero
QNAP QTS

Install updates from vendor's website.

QuTS hero - update to h5.2.8.3350 build 20251216
QNAP QTS - update to 5.2.8.3350 20251216