---
id: CVE-2026-35085
title: >-
  A remote attacker with user privileges can exploit a stack buffer overflow in
  gdv-serverconfig to gain full system access as root.
summary: >-
  A remote attacker with user privileges can exploit a stack buffer overflow in
  gdv-serverconfig to gain full system access as root.
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-121
vendor: mbs-solutions
product: universal_gateway_firmware
affected:
  - universal_gateway_firmware < 6_00_07
patched:
  - universal_gateway_firmware 6_00_07
published: '2026-06-03'
updated: '2026-07-03'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-35085'
references:
  - url: 'https://www.certvde.com/en/advisories/VDE-2026-039/'
    label: info@cert.vde.com
tags:
  - nvd
epss: 0.00581
epssPercentile: 0.45364
ingestedAt: '2026-07-03T13:02:27.763Z'
---

## Overview

A remote attacker with user privileges can exploit a stack buffer overflow in gdv-serverconfig to gain full system access as root.

## Affected

- `universal_gateway_firmware < 6_00_07`

## Remediation

Upgrade past the affected range:

- `universal_gateway_firmware 6_00_07`