---
id: CVE-2026-75165
title: >-
  An issue in /cgi-bin/wwwugw.cgi of MBS-Solutions X-Serie Gateway firmware
  V6_00_05 allows a remote authenticated user with the low-privileged Standard
  role to invoke hidden network diagnostic methods (ugw-ping, ugw-traceroute)
  that are n…
summary: >-
  An issue in /cgi-bin/wwwugw.cgi of MBS-Solutions X-Serie Gateway firmware
  V6_00_05 allows a remote authenticated user with the low-privileged Standard
  role to invoke hidden network diagnostic methods (ugw-ping, ugw-traceroute)
  that are n…
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-285
published: '2026-09-04'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75165'
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-2026-75165
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00559
epssPercentile: 0.44124
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T14:06:46.856319Z'
ingestedAt: '2026-09-08T15:33:26.962Z'
---

## Overview

An issue in /cgi-bin/wwwugw.cgi of MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to invoke hidden network diagnostic methods (ugw-ping, ugw-traceroute) that are not exposed in the web UI, allowing attackers to obtain sensitive information.

## Remediation

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