CVE-2025-52856: VioStor

Published Aug 29, 2025
·
Updated

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

Affected Software

3 affected components
VioStor VioStor<5.1.6
QNAP QVR>=5.1.0<5.1.6
QNAP QVR=5.1.6

Remediation

Information

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

Event History

Aug 29, 2025
CVE Published
via MITRE·05:17 PM
Data Sourced
via MITRE·05:17 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-52856?

CVE-2025-52856 is considered to be a high severity vulnerability due to its potential for remote exploitation and authentication bypass.

2

How do I fix CVE-2025-52856?

To fix CVE-2025-52856, upgrade to VioStor version 5.1.6 build 20250621 or later.

3

What impact does CVE-2025-52856 have on my system?

CVE-2025-52856 allows remote attackers to bypass authentication, potentially compromising the security of the affected VioStor system.

4

Is my version of VioStor affected by CVE-2025-52856?

Any VioStor version prior to 5.1.6 is affected by CVE-2025-52856.

5

How can I protect my VioStor system from CVE-2025-52856?

To protect your VioStor system from CVE-2025-52856, ensure that you apply the necessary software updates to version 5.1.6 or newer.

Contact

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