NULL Pointer Dereference in Qsync Central by QNAP
CVE-2025-54147

1.3LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-54147?

A NULL pointer dereference vulnerability has been identified in Qsync Central, affecting versions prior to 5.0.0.4. This flaw can be exploited by a remote attacker with valid user credentials, potentially leading to a denial-of-service (DoS) condition. By leveraging this vulnerability, an attacker could cause the application to crash, impacting service availability for legitimate users. Users are advised to update to version 5.0.0.4 or later to mitigate this risk.

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
.