Vulnerability in Lantronix Eds3008ps1ns

CVE-2025-67039

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.

EPSS: 0.003 (23.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67039?
CVE-2025-67039 is a critical-severity vulnerability in Lantronix Eds3008ps1ns, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.1/10. Published 2026-03-11.
How severe is CVE-2025-67039?
Critical severity. CVSS v3 base score is 9.1 out of 10.