Critical Vulnerability in Synectix LAN 232 TRIO Exposed

Critical Vulnerability in Synectix LAN 232 TRIO Exposed

🚨 A significant vulnerability has been identified in the Synectix LAN 232 TRIO 3-Port serial to Ethernet adapter. Successful exploitation could allow an unauthenticated attacker to modify critical device settings or even factory reset the device!

Details:

• Affected Versions: LAN 232 TRIO vers: all/* (CVE-2026-1633)
• Relevant CWE: CWE-306 Missing Authentication for Critical Function
• Reported by: Souvik Kandar of MicroSec (microsec.io)

Impact:

This vulnerability affects various Critical Infrastructure Sectors including:

• Critical Manufacturing
• Emergency Services
• Energy
• Information Technology
• Transportation Systems
• Water and Wastewater

Recommendations:

CISA recommends the following defensive measures to minimize the risk of exploitation:

• Minimize network exposure for all control system devices.
• Ensure devices are not accessible from the internet.
• Use firewalls to isolate control system networks from business networks.
• When remote access is necessary, utilize secure methods like VPNs.

Additional Resources:

For more information on cybersecurity strategies and best practices, visit the CISA ICS webpage.

To read the complete article see: Read full article

Stay safe and secure! 🔒