Lantronix EDS3000PS Authentication Bypass Using an Alternate Path or Channel
Summary
| CVE | CVE-2025-67039 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-11 17:16:52 UTC |
| Updated | 2026-09-04 21:17:23 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 9.3 CRITICAL from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.004380000 probability, percentile 0.367740000 (date 2026-09-07)
Problem Types: CWE-288 | CWE-288 CWE-288 | CWE-288 CWE-288 Authentication Bypass Using an Alternate Path or Channel
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 3.1 | ADP | DECLARED | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 3.1 | [email protected] | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 3.1 | CNA | CVSS | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Lantronix | Eds3008ps1ns | - | All | All | All |
| Operating System | Lantronix | Eds3008ps1ns Firmware | 3.1.0.0r2 | All | All | All |
| Hardware | Lantronix | Eds3016ps1ns | - | All | All | All |
| Operating System | Lantronix | Eds3016ps1ns Firmware | 3.1.0.0r2 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Lantronix | EDS3000PS Series | affected 3.1.0.0R2 custom | Not specified |
| CNA | Lantronix | EDS3000PS Series | unaffected 3.2.0.0R2 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-p... | [email protected] | www.lantronix.com | |
| github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-06... | [email protected] | github.com | |
| www.cisa.gov/news-events/ics-advisories/icsa-26-069-02 | [email protected] | www.cisa.gov | Third Party Advisory, US Government Resource |
| eds3000ps.com | MITRE | eds3000ps.com | |
| lantronix.com | MITRE | lantronix.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Francesco La Spina and Stanislav Dashevskyi of Forescout Technologies reported the vulnerability for the EDS3000PS series to CISA. (en)
Additional Advisory Data
Solutions
CNA: Latronix has released the following updates addressing this vulnerability. For more information, see the Latronix Vulnerability Library ( https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw ).
CNA: EDS3000PS series: Upgrade to version 3.2.0.0R2 or later. The patch can be found here: https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/1349189633/Latest+Firmware+for+the+EDS3000PS+series
CNA: For more information or technical assistance, contact Lantronix support ([email protected]). mailto:[email protected]