Two CVSS 10.0 Bugs in Red Lion RTUs Could Hand Hackers Full Industrial Control

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1. Immediately apply all available patches and firmware updates provided by Red Lion for the affected SixTRAK and VersaTRAK RTUs. 2. Enable user authentication on all Red Lion RTUs to ensure that commands require valid credentials before execution. 3. Block or restrict TCP access to port 1594 on RTUs at network perimeter and internal firewalls to prevent unauthenticated TCP connections. 4. Implement strict network segmentation to isolate RTUs from general IT networks and limit access to trusted management stations only. 5. Monitor network traffic for unusual activity on port 1594 and for any unauthorized command execution attempts. 6. Conduct regular security audits and vulnerability assessments of industrial control systems to detect and remediate weaknesses. 7. Employ intrusion detection/prevention systems (IDS/IPS) tuned for industrial protocols and known attack signatures related to Red Lion RTUs. 8. Develop and test incident response plans specific to industrial control system compromises to minimize impact if exploitation occurs. 9. Coordinate with vendors and cybersecurity authorities for timely threat intelligence and guidance. 10. Train operational technology (OT) personnel on secure configuration and monitoring of RTUs and related infrastructure.