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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Lantronix | EDS3000PS series | ≤ 3.1.0.0R2 | 3.2.0.0R2 |
Advisories 1
- ICSA-26-069-02 Lantronix EDS3000PS and EDS5000 (Update B) CISA ICS & IT advisories · Oct 8, 2026
References
- https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-02.json