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9.8Critical

Lantronix Eds3016ps1ns Firmware

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.

What this means for your business

  • It affects Lantronix Eds3016ps1ns Firmware. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
  • FIRST's prediction model gives it a 0.4% chance of attack attempts being seen in the next 30 days, ranking above 36% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Lantronix Eds3016ps1ns Firmware, and which version. The affected versions are listed further down this page.
  2. 2If you do, follow the vendor's guidance. No patch reference has been published yet.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

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Scoring

CVSS
9.8 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4
9.3
Weakness
CWE-288
Assigned by
ics-cert@hq.dhs.gov

Dates

Published
2026-03-11
Last modified
2026-09-04
Sources
NVD

Affected products

  • Lantronix Eds3016ps1ns Firmware3.1.0.0r2
  • Lantronix Eds3016ps1nsall versions
  • Lantronix Eds3008ps1ns Firmware3.1.0.0r2
  • Lantronix Eds3008ps1nsall versions

As listed in the NVD configuration data. Not a statement about your estate.

References