Detections
Analytics

Qnap QTS and QuTS hero Authentication Bypass by Spoofing (CVE-2025-59385)

critical Tenable OT Security Plugin ID 505005

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An authentication bypass by spoofing vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to access resources which are not otherwise accessible without proper authentication. We have already fixed the vulnerability in the following versions: QTS 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 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-25-45

Plugin Details

Severity: Critical

ID: 505005

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 1/19/2026

Updated: 1/19/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v3

Risk Factor: Critical

Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/o:qnap:quts_hero:h5.3, cpe:/o:qnap:qts:5.2, cpe:/o:qnap:quts_hero:h5.2

Required KB Items: Tenable.ot/Qnap

Patch Publication Date: 12/16/2025

Vulnerability Publication Date: 12/16/2025

Reference Information

CVE: CVE-2025-59385

CWE: 290