Bluetooth Vulnerability Exposes 2.2 Million Cars to Remote Unlock and Immobilization Attacks

A recently disclosed Bluetooth vulnerability in the aftermarket KARR Security System exposes approximately 2.2 million vehicles to remote attacks that could allow unauthorized door unlocking, alarm control, and vehicle immobilization. This issue, uncovered by researchers at the University of California, San Diego, highlights a growing risk associated with dealer-installed hardware that falls outside the traditional automotive security frameworks. Dealerships commonly install the KARR system as a protective measure for vehicles on their lots before sale. However, in many cases, the hardware remains in vehicles even when buyers choose not to activate or pay for the service. This practice has created a large, largely unaware user...

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