Bluetooth Flaw in KARR Security Devices Exposes 2.2 Million Cars to Theft Risk

Cybersecurity

1 August 2026 at 3:28 am

Bluetooth Flaw in KARR Security Devices Exposes 2.2 Million Cars to Theft Risk

HyperFast News

Summary

A Bluetooth vulnerability in dealer-installed KARR and SWDS security devices, affecting at least 2.2 million vehicles, allows attackers within five yards to lock/unlock doors, silence alarms, or prevent starting. Researchers at the University of California San Diego discovered that these devices share a common, unchangeable authentication key, making them susceptible to remote control and raising privacy concerns due to broadcasted Bluetooth signals.

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Bluetooth Flaw in KARR Security Devices Exposes 2.2 Million Cars to Theft Risk | HyperFast News