CVEs / CVE-2025-67038
CVE-2025-67038: Lantronix EDS5000 Code Injection Vulnerability
- Known exploited in the CISA KEV catalog since 23 Jun 2026
- critical 9.3 CVSS 4.0 (from the CNA)
- EPSS 20.2% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-67038
Summary
Lantronix EDS5000 contains a code injection vulnerability that could allow attackers to inject arbitrary OS commands into the username parameter. Injected commands are executed with root privileges.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Lantronix EDS5000 series | up to and including 2.1.0.0R3 | — |
| Lantronix G520 series | before 2.6.0.4R6 | 2.6.0.4R6 |
| Lantronix X300 series | before 2.6.0.4R6 | 2.6.0.4R6 |
| Lantronix E210 series | before 3.21.0.0R1 | 3.21.0.0R1 |
| Lantronix E220 series | before 3.21.0.0R1 | 3.21.0.0R1 |
Exploitation
| In CISA KEV since | 23 Jun 2026 |
|---|---|
| Due date for US federal agencies | 26 Jun 2026 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 4.0 | 9.3 criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-78 |
References
- CVE-2025-67038 on NVD
- CVE-2025-67038 in the CISA KEV catalog
- https://ltrxdev.atlassian.net/wiki/spaces/LTRXTS/pages/2538438657/Latest+Firmware+for+the+EDS5000+series+EDS5008+EDS5016+EDS5032 (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk (cited by CISA)
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk (cited by CISA)
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-02.json Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-02 Third Party Advisory, VDB Entry
- https://www.lantronix.com/technical-support/security-updates/vulnerability-disclosure-policy/vulnerability-library/?_gl=16c8bez_upMQ.._gaMzQwNjk5ODI5LjE3ODI5MTM3NTk._ga_M2G6RLT5L3*czE3ODI5MTM3NTgkbzEkZzAkdDE3ODI5MTM3NTgkajYwJGwwJGgw Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-67038 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.