Qnap QTS and QuTS hero Use of Externally-Controlled Format String (CVE-2024-50401)

high Tenable OT Security Plugin ID 504840

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A use of externally-controlled format string vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to obtain secret data or modify memory. We have already fixed the vulnerability in the following versions: QTS 5.2.1.2930 build 20241025 and later QuTS hero h5.2.1.2929 build 20241025 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-24-43

Plugin Details

Severity: High

ID: 504840

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 12/11/2025

Updated: 12/11/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v3

Risk Factor: High

Base Score: 7.2

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

Vulnerability Information

CPE: cpe:/o:qnap:quts_hero, cpe:/o:qnap:qts

Required KB Items: Tenable.ot/Qnap

Exploit Ease: No known exploits are available

Patch Publication Date: 11/22/2024

Vulnerability Publication Date: 11/22/2024

Reference Information

CVE: CVE-2024-50401

CWE: 134