#VU120947 Out-of-bounds read in QNAP QTS and QuTS hero - CVE-2025-54166
Published: January 5, 2026
Vulnerability identifier: #VU120947
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-54166
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
QNAP QTS
QuTS hero
QNAP QTS
QuTS hero
Software vendor:
QNAP Systems, Inc.
QNAP Systems, Inc.
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition. A remote administrator can trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.