Buffer Overflow Vulnerability in Qsync Central by QNAP
CVE-2025-52869

0.6LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-52869?

A buffer overflow vulnerability has been identified in Qsync Central, allowing remote attackers who have user accounts to exploit the flaw. By leveraging this vulnerability, attackers can modify memory contents or cause processes to crash, thereby compromising the integrity and availability of the affected system.

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

Searat and izut
.