Acrisure KARR BT and DR-100 anti-theft systems use a shared, hard-coded Bluetooth authentication key across all affected devices, allowing an attacker within Bluetooth range to send unauthorized commands to a vehicle. This could enable unauthorized door unlocking or engine immobilization. Acrisure has released a firmware update (July 20, 2026) to address the flaw, and no public exploitation has been reported.
Updated Aug 5, 2026 · CVSS 8.1