Buffer Overflow Vulnerability in Qsync Central by QNAP
CVE-2025-48723

0.6LOW

Key Information:

Vendor

QNAP
Status
Qsync Central
Vendor
CVE Published:
11 February 2026

What is CVE-2025-48723?

A buffer overflow vulnerability has been identified in the Qsync Central application from QNAP. This flaw allows a remote attacker with a valid user account to exploit the system by altering memory and potentially causing processes to crash. It is crucial for users to update to Qsync Central version 5.0.0.4 or later to mitigate the risks associated with this vulnerability.

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Deploy the Patch

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
JSON
.