CVE-2025-52856

EUVD-2025-26252
An improper authentication vulnerability has been reported to affect VioStor. If a remote attacker, they can then exploit the vulnerability to compromise the security of the system.

We have already fixed the vulnerability in the following version:
VioStor 5.1.6 build 20250621 and later
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
Affected Products (NVD)
VendorProductVersion
qnapqvr
5.1.0 ≤
𝑥
< 5.1.6
qnapqvr
5.1.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.qnap.com/en/security-advisory/qsa-25-29