CVE-2025-52856

VioStor

Description

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

Remediation

Solution:

  • We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
Affected: QNAP Systems Inc. VioStor
Published at:
Updated at:

References

Link Tags
https://www.qnap.com/en/security-advisory/qsa-25-29

Frequently Asked Questions

What is the severity of CVE-2025-52856?
CVE-2025-52856 has been scored as a critical severity vulnerability.
How to fix CVE-2025-52856?
To fix CVE-2025-52856: We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later
Is CVE-2025-52856 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-52856 is being actively exploited.
What software or system is affected by CVE-2025-52856?
CVE-2025-52856 affects QNAP Systems Inc. VioStor.
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