NULL Pointer Dereference Vulnerability in QNAP Operating System
CVE-2025-48728

5.1MEDIUM

Key Information:

Vendor

QNAP
Status
Qts
Quts Hero
Vendor
CVE Published:
3 October 2025

What is CVE-2025-48728?

A NULL pointer dereference vulnerability allows a remote attacker with administrator access to exploit the QNAP operating system, potentially leading to a denial-of-service (DoS) condition. It is crucial for users to update to the patched versions to mitigate the risk associated with this vulnerability. Ensure your systems are running QTS 5.2.6.3195 build 20250715 or later, or QuTS hero h5.2.6.3195 build 20250715 or later to safeguard against unauthorized disruptions.

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Deploy the Patch

Affected Version(s)

QTS 5.2.x < 5.2.6.3195 build 20250715

QuTS hero h5.2.x

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
.