CISA Warns of Hard-coded Bluetooth Key in Acrisure KARR Anti-Theft Systems
CISA advisory ICSA-26-216-01 details a hard-coded Bluetooth authentication key in Acrisure KARR BT and DR-100 automotive anti-theft systems (firmware before July 20, 2026). An attacker within Bluetooth range could issue unauthorized commands, including door unlocking and engine immobilization. CVSS score is 8.1 high. A firmware update was released July 20, 2026.
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