CVE-2025-52864 LOW

CVE-2025-52864: QTS, QuTS hero

Vendor Qnap Systems Inc.
Product QTS
Weakness CWE-120
Published January 2, 2026
Last update January 2, 2026

CVSS base score

1.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3256 build 20250913 and later QuTS hero h5.2.7.3256 build 20250913 and later QuTS hero h5.3.0.3192 build 20250716 and later

Key dates

02Disclosure timeline

January 2, 2026 CVE published
January 2, 2026 Record updated