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Security experts uncover 29 hidden back doors in Bluetooth chips

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Summary
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56% Informative

Espressif’s ESP32 chip has been hiding 29 secret commands that nobody was supposed to know about.

This could allow attackers to write directly to the chip’’s memory, spoof MAC addresses, and impersonate trusted devices.

The chip's manufacturer hasn’t commented yet on why these commands exist or whether they’re intentional developer tools.

According to market research, these chips are in billions of devices.