Lantronix EDS5000 Code Injection Vulnerability
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.
Quick answer
Lantronix EDS5000 should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- 2.1.0.0r3
- -
Fixed versions
- Apply the latest vendor-supported patched version.
How to fix it
Lantronix EDS5000 is affected by a code injection issue in the username parameter that can execute commands with root privileges. Update to the latest fixed firmware from Lantronix and isolate device management immediately. Because these devices are often used in operational networks, remediation should include credential rotation and configuration integrity checks.
- Inventory all Lantronix EDS5000 series devices and record firmware versions, management exposure, and connected networks.
- Install the latest Lantronix firmware that fixes CVE-2025-67038.
- Restrict web, SSH, Telnet, and serial-device management interfaces to trusted management networks only.
- Disable unused services, default accounts, weak protocols, and direct internet access.
- Review device configuration, users, startup scripts, logs, and network connections for command injection artifacts.
- Rotate local administrator passwords, device keys, automation credentials, and downstream secrets if exposure is suspected.
- Reimage or factory-reset devices from trusted firmware if integrity cannot be verified.
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Verify the fix
- Confirm every EDS5000 device reports the fixed Lantronix firmware version.
- Validate management services are not reachable from untrusted networks.
- Review logs and configuration snapshots for suspicious username values or command execution traces.
- Test normal serial, network, and management functions after the firmware update.
- Run a Fixnx scan against public network edges and confirm no exposed EDS5000 management interface remains.
Related categories
Trusted references
FAQ
What is affected by CVE-2025-67038?
Lantronix EDS5000 versions listed as affected should be reviewed: 2.1.0.0r3, -.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
Why can this risk appear in multiple categories?
A vulnerability can belong to more than one platform or ecosystem. Fixnx keeps one canonical risk page while also listing it in every relevant category.