Use of Uninitialized Variable in QNAP QTS and QuTS hero - CVE-2025-58466
Published: February 12, 2026
Vulnerability identifier: #VU122751
CSH Severity: Low
CVSS v4.0: 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/U:Clear
CVE-ID: CVE-2025-58466
CWE-ID: CWE-457
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: QNAP Systems, Inc.
Affected software:
QNAP QTS
QuTS hero
QNAP QTS
QuTS hero
Detailed vulnerability description
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.
How to mitigate CVE-2025-58466
Install updates from vendor's website.