Major Backdoor in Millions of RFID Cards Allows Instant Cloning

August 20, 2024 at 02:24PM Quarkslab has uncovered a significant backdoor in Shanghai Fudan Microelectronics Group’s contactless cards, enabling instant cloning of RFID smart cards. This vulnerability affects widely-used MIFARE Classic cards and their variants, potentially compromising user-defined keys. Quarkslab urges swift infrastructure checks and risk assessment, as these cards are not limited to the … Read more