---
id: CVE-2026-8173
title: >-
  The web GUI of affected Murrelektronik Xelity switches logs MAC addresses from
  the devices MAC address table when an authenticated administrator uses the
  'Copy learned MAC Addresses' function
summary: >-
  The web GUI of affected Murrelektronik Xelity switches logs MAC addresses from
  the devices MAC address table when an authenticated administrator uses the
  'Copy learned MAC Addresses' function. Due to improper generation of error
  messages…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-209
published: '2026-08-24'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T13:10:00.187'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8173'
references:
  - url: 'https://www.certvde.com/en/advisories/VDE-2026-061/'
    label: info@cert.vde.com
tags:
  - nvd
epss: 0.00345
epssPercentile: 0.26133
ingestedAt: '2026-10-14T13:30:58.555Z'
---

## Overview

The web GUI of affected Murrelektronik Xelity switches logs MAC addresses from the devices MAC address table when an authenticated administrator uses the 'Copy learned MAC Addresses' function. Due to improper generation of error messages, an unauthenticated attacker with network access to the web interface can retrieve the logged MAC addresses via browser developer tools.

## Remediation

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