CVE-2025-67036: Lantronix EDS5000, G520, and X300 OS Command Injection

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% 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-78

Description

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The Log Info page allows users to see log files by specifying their names. Due to a missing sanitization in the file name parameter, an authenticated attacker can inject arbitrary OS commands that are executed with root privileges.

Affected products

LANTRONIX Eds5008 Firmware: 2.1.0.0r3
LANTRONIX Eds5016 Firmware: 2.1.0.0r3
LANTRONIX Eds5032 Firmware: 2.1.0.0r3

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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