NULL Pointer Dereference Security Flaw in Qsync Central by QNAP
CVE-2025-54146

1.3LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-54146?

A NULL pointer dereference vulnerability has been identified in Qsync Central. This flaw allows remote attackers who have gained user account access to exploit the system. By leveraging this vulnerability, an attacker can initiate a denial-of-service (DoS) attack, disrupting the normal operation of Qsync Central. It is important for users to update to version 5.0.0.4 or later, released on January 20, 2026, to mitigate this risk.

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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
JSON
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