CVE-2025-53406 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

References

Link	Providers
https://www.qnap.com/en/security-advisory/qsa-25-36

History

Fri, 03 Oct 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Fri, 03 Oct 2025 18:30:00 +0000

Type	Values Removed	Values Added
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
Title		QTS, QuTS hero
Weaknesses		CWE-134
References		https://www.qnap.com/en/security-advisory/qsa-25-36
Metrics		cvssV4_0 `{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: qnap

Published: 2025-10-03T18:14:36.797Z

Updated: 2025-10-03T19:10:06.668Z

Reserved: 2025-06-30T07:19:56.928Z

Link: CVE-2025-53406

Vulnrichment

Updated: 2025-10-03T19:03:42.669Z

NVD

Status : Received

Published: 2025-10-03T19:15:48.543

Modified: 2025-10-03T19:15:48.543

Link: CVE-2025-53406

Redhat

No data.

OpenCVE Enrichment

No data.

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