This vulnerability is nothing new and it’s not really a vulnerability, the same “backdoor” claims a few months ago which was just a mistranslation.
The cited “Crypto Deep Tech” site AI generated their content and has no credibility or proof of concept, and they just made an article for clicks.
quoting⚡️🚨 ALERT - Security researchers discover critical vulnerability (CVE-2025-27840) in ESP32 chip, used in several renowned bitcoin hardware wallets.
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This vulnerability allows attackers to forge ECDSA signatures and make unauthorized transactions, according to Crypto Deep Tech.
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