---
id: CVE-2026-75164
title: >-
  An arbitrary file read vulnerability in /cgi-bin/ugwdownload.cgi of
  MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated
  user with the low-privileged Standard role to retrieve arbitrary files from
  the device file…
summary: >-
  An arbitrary file read vulnerability in /cgi-bin/ugwdownload.cgi of
  MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated
  user with the low-privileged Standard role to retrieve arbitrary files from
  the device file…
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-552
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-2026-75164'
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-2026-75164
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00551
epssPercentile: 0.43621
ingestedAt: '2026-09-08T20:10:03.166Z'
---

## Overview

An arbitrary file read vulnerability in /cgi-bin/ugwdownload.cgi of MBS-Solutions X-Serie Gateway firmware V6_00_05 allows a remote authenticated user with the low-privileged Standard role to retrieve arbitrary files from the device filesystem via the file query string parameter.

## Remediation

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