Buffer overflow in QNAP QTS and QuTS hero - CVE-2025-53593
Published: January 5, 2026
Vulnerability identifier: #VU120943
CSH Severity: Low
CVSS v4.0: 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/U:Clear
CVE-ID: CVE-2025-53593
CWE-ID: CWE-119
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 compromise the target system.
The vulnerability exists due to a boundary error. A remote administrator can trigger memory corruption and modify memory or crash processes on the target system.
How to mitigate CVE-2025-53593
Install updates from vendor's website.