QTS, QuTS hero_CVE-2025-52863

1.3 / 10

LOW

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

Description

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

Basic Information

ID CVE-2025-52863

Source qnap

Published Jan 2, 2026 at 14:53

Affected Product

Vendor QNAP Systems Inc.

Product QTS

Version 5.2.x

Affected Versions QNAP Systems Inc. QTS 5.2.x
QNAP Systems Inc. QuTS hero h5.2.x
QNAP Systems Inc. QuTS hero h5.3.x

CWE Classification

CWE-120

References

www.qnap.com /en/security-advisory/qsa-25-50

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    "published": "2026-01-02T14:53:57.755Z",
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