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Critical Train Protocol Flaw Allows Remote Brake Control, Risks Derailment

10 months ago
  • #Transportation
  • #Vulnerability
  • #Cybersecurity
  • CVSS v4 score of 7.2 for a vulnerability in End-of-Train and Head-of-Train remote linking protocol.
  • Weak authentication allows attackers to send brake control commands via software-defined radio, risking operational disruption or brake failure.
  • Affects all versions of the protocol; CVE-2025-1727 assigned with CVSS v3 base score of 8.1.
  • Critical infrastructure sector impacted: Transportation Systems, primarily in the United States.
  • Mitigations include minimizing network exposure, using firewalls, secure remote access methods like VPNs, and contacting device manufacturers for updates.
  • No known public exploitation reported; vulnerability not remotely exploitable.
  • AAR working on new equipment and protocols to address the vulnerability.