VAR-201401-0739
Vulnerability from variot - Updated: 2022-05-04 09:18The Appotech AX211 / AX215 is a microcontroller device. The Appotech AX211 / AX215 8-bit SD card controller has a security vulnerability in the firmware upgrade mechanism. The attacker sends a 'knock' command (CMD63 followed by 'A', 'P', 'P', 'O')). The controller enters firmware load mode, and an attacker who can physically access the memory card can execute arbitrary commands on the card.
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