NULL Pointer Dereference Vulnerability in Qsync Central by QNAP
CVE-2025-54148

1.3LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-54148?

A NULL pointer dereference vulnerability has been identified in Qsync Central that can be exploited by an authenticated remote attacker. This flaw can lead to a denial-of-service (DoS) condition, affecting the availability of the service. Users should upgrade to Qsync Central version 5.0.0.4 or later to mitigate this risk. For more information, refer to the official QNAP security advisory.

Affected Version(s)

Qsync Central 5.0.x.x < 5.0.0.4 ( 2026/01/20 )

References

https://www.qnap.com/en/security-advisory/qsa-26-02

CVSS V4

Score:
1.3
Severity:
LOW
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
.