---
id: CVE-2026-75162
title: >-
  An information disclosure vulnerability in the opcua-configuration method of
  /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows
  any remote authenticated user, including users with the low-privileged
  Standard ro…
summary: >-
  An information disclosure vulnerability in the opcua-configuration method of
  /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows
  any remote authenticated user, including users with the low-privileged
  Standard ro…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-200
published: '2026-09-04'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T20:20:33.937'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75162'
references:
  - url: 'https://en.mbs-solutions.de/mbs'
    label: cve@mitre.org
  - url: 'https://en.mbs-solutions.de/xserie'
    label: cve@mitre.org
  - url: >-
      https://github.com/SilviaMun/vulnerability-research/tree/main/CVE-2026-75162
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-09T19:52:00.454666Z'
epss: 0.00461
epssPercentile: 0.39268
ingestedAt: '2026-09-09T16:14:05.518Z'
---

## Overview

An information disclosure vulnerability in the opcua-configuration method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows any remote authenticated user, including users with the low-privileged Standard role, to retrieve the configured OPC-UA authentication credentials in cleartext via the JSON API response.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.