An attacker with physical access to a BrilliantTS FUZE card (MCU firmware 0.1.73, BLE firmware 0.7.4) can unlock the card, extract credit card numbers, and tamper with data on the card via Bluetooth because no authentication is needed, as demonstrated by gatttool.
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Check my exposure →This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.