CVE-2025-53591

MediumCVSS 6.5/10Last modified Oct 14, 2026

Description

A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to obtain secret data or modify memory.

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 h5.3.1.3250 build 20250912 and later

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-134

Affected software

No affected versions have been published.

Timeline

Published: Jan 2, 2026
Last modified: Oct 14, 2026
NVD status: Analyzed

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