Format String Vulnerability in Qsync Central by QNAP
CVE-2025-30269

0.6LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-30269?

A format string vulnerability has been identified in Qsync Central, which may allow remote attackers with user accounts to manipulate memory and access sensitive data. This vulnerability arises due to improper handling of user-controlled input, enabling the exploitation of format string directives. Users are urged to update to version 5.0.0.4 or later, released on January 20, 2026, to mitigate this risk. For more details, refer to the official security advisory.

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:
0.6
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
.