CVE-2025-67039
Modified Modified - Updated After Analysis

Authentication Bypass in Lantronix EDS3000PS Management Interface

Publication date: 2026-03-11

Last updated on: 2026-07-05

Assigner: MITRE

Description
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.

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Meta Information

Published
2026-03-11
Last Modified
2026-07-05
Generated
2026-07-06
AI Q&A
2026-03-11
EPSS Evaluated
2026-07-05
NVD
CVE-2025-67039
EUVD
EUVD-2025-208589

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
lantronix eds3016ps1ns_firmware 3.1.0.0r2
lantronix eds3008ps1ns_firmware 3.1.0.0r2

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.

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Impact Analysis

By bypassing authentication on management pages, an attacker could gain unauthorized access to administrative functions of the Lantronix EDS3000PS device. This could lead to unauthorized configuration changes, exposure of sensitive information, or disruption of device operations.

Executive Summary

This vulnerability exists in Lantronix EDS3000PS version 3.1.0.0R2. It allows an attacker to bypass the authentication mechanism on the management pages. The bypass is achieved by appending a specific suffix to the URL and sending an Authorization header that uses "admin" as the username.

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