Description
A buffer overflow vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes.
We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Metrics
CVSS 3.1 8.1/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | Qsync Central | >= 5.0.x.x, < 5.0.0.4 ( 2026/01/20 ) |
References
- https://www.qnap.com/en/security-advisory/qsa-26-02Vendor Advisory
Timeline
- Published
- Feb 11, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed