US Cybersecurity Agency Reveals Vulnerability Allowing Train Brake Manipulation
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Summary
The US cybersecurity agency CISA has disclosed a vulnerability that can be exploited to manipulate or tamper with a train’s brakes. The vulnerability affects systems named End-of-Train and Head-of-Train, allowing hackers to cause trains to brake.
Key quotes
· 3 pulledTrain Brakes Can Be Hacked Over Radio—And the Industry Knew for 20 Years
An End-of-Train (EoT) device, also known as a Flashing Rear End Device (FRED), is placed at the end of a train, being designed to transmit data to a device in the locomotive named the Head-of-Train (HoT).
CISA last week published an advisory describing CVE-2025-1727, an issue affecting the remote linking protocol used by systems known as End-of-Train and Head-of-Train.
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