Lantronix EDS5000, G520, and X300 OS Command Injection

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Lantronix/EDS5000 series (generic), Lantronix/G520 series (generic), n/a/n/a (generic), Lantronix/X300 series (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Lantronix/EDS5000 series, Lantronix/G520 series, n/a/n/a.
2. 2Review the reported fix. Update Lantronix/G520 series to 2.6.0.4R6; Lantronix/X300 series to 2.6.0.4R6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Mar 11, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Sep 4, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Jul 5, 2026

Sources and claim methodology

• GitHub security advisorygithub.com
• CISA Known Exploited Vulnerabilities catalogcisa.gov
• Source referencelantronix.com
• Source referenceeds5000.com

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