---
id: CVE-2025-67039
title: An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2
summary: >-
  An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2. The authentication
  on management pages can be bypassed by appending a specific suffix to the URL
  and by sending an Authorization header that uses "admin" as the username.
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-288
published: '2026-03-11'
updated: '2026-06-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-67039'
references:
  - url: 'http://eds3000ps.com'
    label: cve@mitre.org
  - url: 'http://lantronix.com'
    label: cve@mitre.org
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00438
epssPercentile: 0.35465
ingestedAt: '2026-06-29T13:24:34.806Z'
---

## Overview

An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2. The authentication on management pages can be bypassed by appending a specific suffix to the URL and by sending an Authorization header that uses "admin" as the username.

## Remediation

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