NULL Pointer Dereference Vulnerability in Qsync Central by QNAP
CVE-2025-48722

1.3LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-48722?

A vulnerability has been identified in Qsync Central by QNAP, where a NULL pointer dereference can be exploited by remote attackers to launch denial-of-service (DoS) attacks. This happens if an attacker gains access to a valid user account, subsequently leading to service interruptions. Users are advised to update to version 5.0.0.4 or later to mitigate this risk and ensure the continued security of their systems.

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
.