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Schneier on Security

Vulnerabilities in Car Anti-Theft Device

Refract AI Intelligence Digest

BLUF

A widespread aftermarket car alarm vulnerability allows remote vehicle control and immobilization via Bluetooth.

NEWS

UC San Diego researchers identified a flaw in the KARR Security System installed in an estimated 2 million vehicles across the US. The vulnerability permits attackers within Bluetooth range to send unauthorized commands to unlock doors, silence alarms, or disable the ignition entirely.

Why I Care

This poses a severe physical safety and theft risk for millions of vehicle owners relying on these aftermarket devices. Attackers could steal vehicles remotely or intentionally strand drivers in unsafe locations without triggering any alarm.

Next Steps

Vehicle owners with KARR systems should contact the manufacturer immediately for firmware updates or consider removing the device. Security teams should monitor for exploit kits targeting this specific aftermarket hardware model.

This is disturbing: …a team of security researchers at UC San Diego, who found that a model of aftermarket car alarm known as the KARR Security System, installed in more than 2 million vehicles across the US by their estimate, can let any hacker within Bluetooth range send radio commands to silently unlock the car at will, turn off its alarm, honk the car’s horn or flash its lights, or even disable its ignition and leave a driver stranded.
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Source: Schneier on Security ·

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