Eds5032 FirmwareOperating system · Lantronix

CVE-2025-67037

HIGH · 8.8 CVSS v3.1 Published 2026-03-11
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An issue was discovered in Lantronix EDS5000 2.1.0.0R3. An authenticated attacker can inject OS commands into the "tunnel" parameter when killing a tunnel connection. Injected commands are executed with root privileges.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Authenticated command injection in Lantronix EDS5000 2.1.0.0R3 allows attackers to inject OS commands via the 'tunnel' parameter when terminating tunnel connections. Injected commands execute with root privileges.

MitigationIsolate affected devices on restricted network segments, enforce strict access controls, and apply vendor-supplied firmware patches when available. Implement WAF/IPS rules to detect command injection patterns if network isolation is not feasible.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Eds5032 FirmwareOperating system
Affected:= 2.1.0.0
Eds5008 FirmwareOperating system
Affected:= 2.1.0.0
Eds5016 FirmwareOperating system
Affected:= 2.1.0.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify Lantronix EDS device model
    Access the device web interface or check the device label/menu for the exact model number (EDS5032, EDS5008, or EDS5016)
    Affected if Device model is not one of the three affected models
  2. Check firmware version
    Navigate to the device web interface System Information or Status page, or use the CLI command 'show version' to retrieve the installed firmware version
    Affected if Firmware version is exactly 2.1.0.0 (note: only this exact version is affected)
  3. Verify tunnel termination feature is in use
    Check device configuration for active tunnel connections or tunnel termination settings - look for Tunnel, Serial Tunnel, or similar configuration sections in the web UI or CLI
    Affected if Tunnel termination functionality is configured or active on the device
  4. Confirm device management interface accessibility
    Check if the device web or CLI management interface is reachable from network segments accessible to users - verify authentication is required for access
    Affected if Device admin interface is accessible without proper access controls (the flaw requires authenticated access)

The device is affected only if it is an Lantronix EDS5032/EDS5008/EDS5016 running exactly firmware version 2.1.0.0, has tunnel termination configured, and the management interface is accessible to untrusted users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Isolate affected devices on restricted network segments, enforce strict access controls, and apply vendor-supplied firmware patches when available. Implement WAF/IPS rules to detect command injection patterns if network isolation is not feasible.

Fix this in Eds5032 Firmware Scoped from the published advisory
  • Consultation8.0 h
  • Implementation12.0 h
  • Testing8.0 h
  • Review / QA4.0 h
32.0 hours of engineering $5,680
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-67037 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data