[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftbuL_GX32bw50QAkOIylzULzKzLpDMcsBvJ5qoWmCME":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"status":17,"created_at":18,"published_at":19,"article":20,"tags":24,"podcasts":37},"f4354af0-642c-448f-81fe-08c1cf111576","critical-vulnerabilities-in-serial-to-ip-converters-expose-industrial-and-healthcare-systems","f179d3a6-f40e-4141-b9b2-38583472ae1d","Critical Vulnerabilities in Serial-to-IP Converters Expose Industrial and Healthcare Systems","Twenty critical vulnerabilities in widely-deployed Lantronix and Silex serial-to-IP converters allow attackers to execute remote code and take over devices without authentication. These devices serve as critical bridges between legacy industrial equipment and modern networks, making them high-value targets for attackers seeking to compromise operational technology and healthcare systems. With nearly 20,000 internet-exposed systems globally, the attack surface is massive and these devices have already been exploited in major infrastructure attacks. The incident highlights the critical importance of securing network infrastructure devices that often operate with minimal security oversight despite their strategic network position.","**Immediate actions:**\n- Patch all Lantronix and Silex serial-to-IP converters to the latest firmware versions\n- Remove internet exposure for these devices wherever possible through firewall rules\n- Conduct emergency scans to identify all serial-to-IP converters in your environment\n\n**Long-term improvements:**\n- Implement network segmentation to isolate OT and legacy systems from corporate networks\n- Establish regular vulnerability scanning schedules for all network infrastructure devices\n- Create an inventory management system that tracks firmware versions for all network appliances\n\n**Detection measures:**\n- Deploy network monitoring to detect unauthorized access attempts to infrastructure devices\n- Enable logging on all serial-to-IP converters and forward logs to a SIEM system",[12,13,14,15,16],"CIS Control 7","CIS Control 12","NIST SP 800-82","IEC 62443","CISA ICS-CERT","published","2026-04-20T17:09:19.755403+00:00","2026-04-20T17:09:19.654+00:00",{"id":7,"url":21,"slug":22,"title":23},"https:\u002F\u002Fwww.securityweek.com\u002Fserial-to-ip-converter-flaws-expose-ot-and-healthcare-systems-to-hacking\u002F","serial-to-ip-converter-flaws-expose-ot-and-healthcare-systems-to-hacking-076339","Serial-to-IP Converter Flaws Expose OT and Healthcare Systems to Hacking",[25,31],{"id":26,"name":27,"slug":28,"description":29,"color":30},"05757c8d-6b93-4194-b35d-7359e7d33b0e","Vulnerability Management","vulnerability-management","Missing scans, no risk prioritization","#fb923c",{"id":32,"name":33,"slug":34,"description":35,"color":36},"f43a7f30-5046-4b10-9dba-1a704139821e","Network Segmentation","network-segmentation","Lateral movement, flat networks, missing firewalls","#06b6d4",[]]