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VulnerabilityPublished Updated

CVE-2025-67038: Lantronix EDS5000 series · OS Command Injection

Affects Lantronix EDS5000 seriesSource CVE Database V5

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Exploited in the wild · KEV due 26 Jun 2026 · 20% EPSS · fixed in 2.6.0.4R6 : patch Lantronix EDS5000 series now.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
EPSS
20.2% chance of exploitation in 30 days – higher than 97% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.6.0.4R6, 3.21.0.0R1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 11 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV 104 days after disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by MITRE Corporation

    , 93 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , the same day as disclosure

  4. , 104 days after disclosure

  5. KEV remediation due

    US federal deadline

    , 107 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade G520 series and X300 series to 2.6.0.4R6; E210 series and E220 series to 3.21.0.0R1.

Affected software

ProductAffectedFixed in
LantronixEDS5000 seriesAffected
  • <=2.1.0.0R3
Fixed in–
LantronixG520 seriesAffected
  • <2.6.0.4R6
Fixed in
  • 2.6.0.4R6
LantronixX300 seriesAffected
  • <2.6.0.4R6
Fixed in
  • 2.6.0.4R6
LantronixE210 seriesAffected
  • <3.21.0.0R1
Fixed in
  • 3.21.0.0R1
LantronixE220 seriesAffected
  • <3.21.0.0R1
Fixed in
  • 3.21.0.0R1

Description

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The HTTP RPC module executes a shell command to write logs when user's authentication fails. The username is directly concatenated with the command without any sanitization. This allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.

References

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