Lantronix EDS5000 Code Injection Vulnerability
Lantronix — EDS5000 series
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.
9.8
15.7%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Mar 11, 2026
- Modified
- Sep 8, 2026
- Added to KEV
- Jun 23, 2026
- Federal patch due
- Jun 26, 2026
CISA required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2025-67038, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2025-67038 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.
References
How this class of flaw gets exploited
Frequently asked questions
What is CVE-2025-67038?
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.
How severe is CVE-2025-67038?
CVE-2025-67038 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2025-67038 actively exploited in the wild?
Yes. CVE-2025-67038 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Jun 23, 2026, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-67038?
15.7% - meaning FIRST.org's EPSS model estimates a 15.7% probability this vulnerability will be exploited in the wild within 30 days (97% percentile among all scored CVEs).
What type of vulnerability is CVE-2025-67038?
CVE-2025-67038 is classified under CWE-78.
Cross-checked against
Impactr finds and proves whether CVE-2025-67038 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.