In 2020, Tesla even wrote in a filing to the US Federal Communications Commission that it would be implementing ultra-wideband in its keyless entry systems, and that the ability to far more precisely measure the distance of a key fob or smartphone from a car wouldâor at least couldâprevent its vehicles from being stolen via relay attacks. âThe distance estimate is based on a Time of Flight measurement, which is immune to relay attacks,â Tesla’s filing read. That document, first turned up by the Verge, led to widespread reports and social media comments suggesting that the upcoming ultra-wideband version of Tesla’s keyless entry system would spell the end of relay attacks against its vehicles.
Yet the GoGoByte researchers found they were able to carry out their relay attack against the latest Tesla Model 3 over Bluetooth, just as they had with earlier models, from a…
