by Kastro
Paper/Archive/CVE-2025-67039

CVE-2025-67039

Lantronix EDS3000PS series — Lantronix EDS3000PS Authentication Bypass Using an Alternate Path or Channel

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 40.3.403 × 208.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
EDS3000PS series≤ 3.1.0.0R23.2.0.0R2CNA

Scores by source

icscert (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

reflantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgwrefcisa.gov/news-events/ics-advisories/icsa-26-069-02refgithub.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-02.json