---
id: CVE-2026-75163
title: >-
  An information disclosure vulnerability in the ugw-deviceinfo method of
  /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 returns
  detailed system version fields (operatingsystem, gatewayversion) to any
  authenticated …
summary: >-
  An information disclosure vulnerability in the ugw-deviceinfo method of
  /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 returns
  detailed system version fields (operatingsystem, gatewayversion) to any
  authenticated …
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: '2026-09-08'
sourceUpdated: '2026-09-08T19:42:20.313'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75163'
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-2026-75163
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00445
epssPercentile: 0.361
ingestedAt: '2026-09-08T20:10:03.166Z'
---

## Overview

An information disclosure vulnerability in the ugw-deviceinfo method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 returns detailed system version fields (operatingsystem, gatewayversion) to any authenticated user, including users with the low-privileged Standard role.

## Remediation

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