CVE-2025-53405 - CVE House
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Status published Low CVE-2025-53405

QTS, QuTS hero

Vulnerability Description

A NULL pointer dereference 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 launch a denial-of-service (DoS) attack. 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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • coral

Affected Vendor

QNAP Systems Inc.

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Affected Software

QTS, QuTS hero
Vulnerable Versions:
5.2.x, h5.2.x, h5.3.x

Timeline

Official Publish: January 2nd, 2026
Last Modified: January 2nd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)