Vulnerability · Published Feb 11, 2026 · Assigned by qnap
CVE-2025-54151Qsync Central
Medium 4.9
In plain English
A medium-severity uncontrolled resource consumption in Qsync Central from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official description
An uncontrolled resource consumption vulnerability has been reported to affect Qsync Central. If a local attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | Qsync Central | 5.0.x.x – before 5.0.0.4 ( 2026/01/20 ) |
Weakness: CWE-400, CWE-770, CWE-789 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U