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CVE-2025-67038

Critical 9.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Lantronix EDS5000 Code Injection Vulnerability
Added to catalog
Remediation due date (US federal)
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.

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.

Metrics

CVSS 3.1
9.8 (CRITICAL) Score source: CNA CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0
9.3 (CRITICAL) Score source: CNA CVSS: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:X
EPSS — exploit probability
20% (percentile: 97) as of 1 November 2026
CWE
CWE-78

Affected products

lantronix: eds5008 firmware; lantronix: eds5008; lantronix: eds5016 firmware; lantronix: eds5016; lantronix: eds5032 firmware; lantronix: eds5032; lantronix: g526gp12s firmware; lantronix: g526gp12s; lantronix: g526gp17s firmware; lantronix: g526gp17s; lantronix: g526gp1cs firmware; lantronix: g526gp1cs; lantronix: g526gp1asg firmware; lantronix: g526gp1asg; lantronix: g526gp1as firmware

References