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.

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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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