NULL Pointer Dereference Vulnerability in QNAP Operating Systems
CVE-2025-52428

5.1MEDIUM

Key Information:

Vendor

QNAP
Status
Qts
Vendor
CVE Published:
3 October 2025

What is CVE-2025-52428?

A NULL pointer dereference vulnerability has been discovered in various versions of the QNAP operating system. This security flaw allows an attacker with administrator access to trigger a denial-of-service (DoS) condition, which can disrupt service for legitimate users. QNAP has addressed this issue in versions QTS 5.2.6.3195 build 20250715 and later, ensuring enhanced security for users.

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Deploy the Patch

Affected Version(s)

QTS 5.2.x < 5.2.6.3195 build 20250715

References

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

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
JSON
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