What’s Vulnerable › Vulnerabilities

CVE-2025-67039: Lantronix EDS3000PS Authentication Bypass Using an Alternate Path or Channel

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-11 · updated 2026-09-04
• Weakness: CWE-288

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

• LANTRONIX Eds3008Ps1Ns Firmware: 3.1.0.0r2
• LANTRONIX Eds3016Ps1Ns Firmware: 3.1.0.0r2

References

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

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