CVE-2025-54146

EUVD-2025-206913
A NULL pointer dereference vulnerability has been reported to affect Qsync Central. If a remote 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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Affected Products (NVD)
VendorProductVersion
qnapqsync_central
5.0.0.0 ≤
𝑥
< 5.0.0.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.qnap.com/en/security-advisory/qsa-26-02