NEW: Security researchers discover critical vulnerability (CVE-2025-27840) in ESP32 chip, used in several renowned bitcoin hardware wallets.

This vulnerability allows attackers to forge ECDSA signatures and make unauthorized transactions, according to Crypto Deep Tech.

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This shit is why not more people hold their own keys, nobody has time to stay updated all the time and switch/buy new devices

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Which “renowned bitcoin hardware wallets”use these chips?

Note: This requires physical access to the device, and a new firmware put onto the device. No reason for immediate panic.

NEW: Security researchers discover critical vulnerability (CVE-2025-27840) in ESP32 chip, used in several renowned bitcoin hardware wallets.

This vulnerability allows attackers to forge ECDSA signatures and make unauthorized transactions, according to Crypto Deep Tech.

LINK to the Report: https://cryptodeeptech.ru/bitcoin-bluetooth-attacks/