# CVE-2025-67039

## Summary

- **CVE ID:** CVE-2025-67039
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-288
- **Published:** Mar 11, 2026
- **Last Modified:** Sep 4, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)
- Lantronix — EDS3000PS series (0)
- Lantronix — EDS3000PS series (3.2.0.0R2)

## References

- [CNA](http://lantronix.com)
- [CNA](http://eds3000ps.com)
- [CNA](https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02)
- [CNA](https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw)
- [CNA](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-02.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._