Lantronix EDS3000PS and EDS5000 | CISA

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Summary

Successful exploitation of these vulnerabilities could allow an attacker to bypass authentication and execute code with root-level privileges.

The following versions of Lantronix EDS3000PS and EDS5000 are affected:

• EDS3000PS 3.1.0.0R2 (CVE-2025-67039, CVE-2025-70082, CVE-2025-67041)

• EDS5000 2.1.0.0R3 (CVE-2025-67034, CVE-2025-67035, CVE-2025-67036, CVE-2025-67037, CVE-2025-67038)

• CVSS: v3 9.8

• Vendor: Lantronix
• Equipment: Lantronix EDS3000PS and EDS5000
• Vulnerabilities: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'), Authentication Bypass Using an Alternate Path or Channel, Unverified Password Change

Background

• Critical Infrastructure Sectors: Communications, Information Technology, Critical Manufacturing
• Countries/Areas Deployed: Worldwide
• Company Headquarters Location: United States

Vulnerabilities

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CVE-2025-67035

An issue was discovered in Lantronix EDS5000 2.1.0.0R3. The SSH Client and SSH Server pages are affected by multiple OS injection vulnerabilities due to missing sanitization of input parameters. An attacker can inject arbitrary commands in delete actions of various objects, such as server keys, users, and known hosts. Commands are executed with root privileges.

View CVE Details

Affected Products

Lantronix EDS3000PS and EDS5000

Vendor:
Lantronix

Product Version:
Lantronix EDS5000: 2.1.0.0R3

Product Status:
known_affected

Relevant CWE: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Metrics

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.

View CVE Details

Affected Products

Lantronix EDS3000PS and EDS5000

Vendor:
Lantronix

Product Version:
Lantronix EDS5000: 2.1.0.0R3

Product Status:
known_affected

Relevant CWE: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Metrics

CVE-2025-67039

An issue was discovered in Lantronix EDS3000PS 3.1.0.0R2. The authentication on management pages can be bypassed by appending a specific suffix to the URL and by sending an Authorization header that uses "admin" as the username.

View CVE Details

Affected Products

Lantronix EDS3000PS and EDS5000

Vendor:
Lantronix

Product Version:
Lantronix EDS3000PS: 3.1.0.0R2

Product Status:
known_affected

Relevant CWE: CWE-288 Authentication Bypass Using an Alternate Path or Channel

Metrics

CVE-2025-70082

The administrator password can be changed without knowledge of the current password. When chained with an authentication bypass vulnerability, this issue may allow unauthenticated attackers to modify the administrator password.

View CVE Details

Affected Products

Lantronix EDS3000PS and EDS5000

Vendor:
Lantronix

Product Version:
Lantronix EDS3000PS: 3.1.0.0R2

Product Status:
known_affected

Relevant CWE: CWE-620 Unverified Password Change

Metrics

Acknowledgments

• Francesco La Spina and Stanislav Dashevskyi of Forescout Technologies reported these vulnerabilities to CISA

Legal Notice and Terms of Use

This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).

Recommended Practices

CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities, such as:

Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the Internet.

Locate control system networks and remote devices behind firewalls and isolating them from business networks.

When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

CISA also recommends users take the following measures to protect themselves from social engineering attacks:

Do not click web links or open attachments in unsolicited email messages.

Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.

Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.

No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.

Revision History

• Initial Release Date: 2026-03-10

Legal Notice and Terms of Use