CVE-2025-53406 - CVE House
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Status published Medium CVE-2025-53406

QTS, QuTS hero

Vulnerability 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 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 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

References

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Affected Vendor

QNAP Systems Inc.

View all reports →

Affected Software

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

Timeline

Official Publish: October 3rd, 2025
Last Modified: October 3rd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-134

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.