Out-of-Bounds Read Vulnerability in QNAP Operating Systems
CVE-2025-54164

4.6MEDIUM

Key Information:

Vendor

QNAP
Status
Qts
Quts Hero
Vendor
CVE Published:
2 January 2026

What is CVE-2025-54164?

An out-of-bounds read vulnerability has been identified in multiple versions of the QNAP operating system. If an attacker gains administrator access, they can exploit this vulnerability to retrieve sensitive data. QNAP has issued patches to address this issue in specific builds of their QTS and QuTS hero operating systems, emphasizing the need for all users to update to the latest versions to enhance security and protect against unauthorized data access.

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Deploy the Patch

Affected Version(s)

QTS 5.2.x < 5.2.7.3256 build 20250913

QuTS hero h5.2.x

QuTS hero h5.3.x

References

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

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
JSON
.