CVE-2025-52861 HIGH

CVE-2025-52861: VioStor

Vendor Qnap Systems Inc.
Product VioStor
Weakness CWE-22 · Path traversal
Published August 29, 2025
Last update August 29, 2025

CVSS base score

7.0/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

A path traversal vulnerability has been reported to affect VioStor. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later

Key dates

02Disclosure timeline

August 29, 2025 CVE published
August 29, 2025 Record updated