Vulnerability in Lantronix Eds3000ps Series
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Lantronix Eds3000ps Series
- Lantronix Eds3008ps1ns
- Lantronix Eds3008ps1ns Firmware — versions 3.1.0.0r2, 3.1.0.0
- Lantronix Eds3016ps1ns
- Lantronix Eds3016ps1ns Firmware — versions 3.1.0.0r2, 3.1.0.0
Weakness classification (CWE)
References
- lantronix.com (Product)
- eds3000ps.com (Not Applicable)
- www.cisa.gov/news-events/ics-advisories/icsa-26-069-02 (US Government Resource, Third Party Advisory)
- github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-02.js…
- www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-p…
Frequently asked questions
- What is CVE-2025-67039?
- CVE-2025-67039 is a critical-severity vulnerability in Lantronix Eds3000ps Series, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.8/10. Published 2026-03-11.
- How severe is CVE-2025-67039?
- Critical severity. CVSS v3 base score is 9.8 out of 10.