Qnap QTS and QuTS hero Improper Limitation of a Pathname to a Restricted Directory (CVE-2025-47211)

medium Tenable OT Security Plugin ID 504986

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A path traversal vulnerability has been reported to affect several QNAP operating system versions. 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 versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.qnap.com/en/security-advisory/qsa-25-36

Plugin Details

Severity: Medium

ID: 504986

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Vulnerability Information

CPE: cpe:/o:qnap:qts:5.2, cpe:/o:qnap:quts_hero:h5.2

Required KB Items: Tenable.ot/Qnap

Exploit Ease: No known exploits are available

Patch Publication Date: 10/3/2025

Vulnerability Publication Date: 10/3/2025

Reference Information

CVE: CVE-2025-47211

CWE: 22