Detections
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Qnap QTS / QuTS hero NULL Pointer Dereference (CVE-2025-47213)

medium Tenable OT Security Plugin ID 506492

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A NULL pointer dereference 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 launch a denial-of-service (DoS) attack. 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: 506492

File Name: tenable_ot_qnap_CVE-2025-47213.nasl

Version: 1.1

Type: Remote

Family: Tenable.ot

Published: 11/5/2026

Updated: 11/5/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.13

CVSS v3

Risk Factor: Medium

Base Score: 4.9

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

Vulnerability Information

CPE: cpe:/o:qnap:qts:5.2.0, cpe:/o:qnap:quts_hero:h5.2.0

Required KB Items: Tenable.ot/Qnap

Patch Publication Date: 10/3/2025

Vulnerability Publication Date: 10/3/2025

Reference Information

CVE: CVE-2025-47213

CWE: 476