NULL Pointer Dereference Vulnerability in Qsync Central by QNAP
CVE-2025-30275

5.3MEDIUM

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
29 August 2025

What is CVE-2025-30275?

A NULL pointer dereference vulnerability has been identified in Qsync Central, which could allow an attacker with a valid user account to exploit this flaw to produce a denial-of-service (DoS) condition. This vulnerability poses a significant risk as it compromises the stability of the application, making it essential for users to update to version 4.5.0.7 released on April 23, 2025, or later to ensure protection against potential exploitation.

Affected Version(s)

Qsync Central 4.5.x.x < 4.5.0.7 ( 2025/04/23 )

References

https://www.qnap.com/en/security-advisory/qsa-25-22

CVSS V4

Score:
5.3
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
.
CVE-2025-30275 : NULL Pointer Dereference Vulnerability in Qsync Central by QNAP