Popular microcontrollers installed on billions of Internet of Things (IoT) devices have serious bugs that expose Bitcoin (BTC) to theft.
Bug – 27840 called Critical Vulnerability Error in 2025 (CVE-2025-27840) – Affects popular ESP32 chips, allowing hackers to exploit module updates Sign an incorrect transaction Or even Steal your private key remotely.
ESP32s found in hardware wallets like Blockstream Jade, which generate signatures for BTC transactions, can also have insufficient entropy for random number generators. Allow keypeer brute force guess by an anonymous attacker.
Cybersecurity research firm Crypto Deep Tech has already proven its capabilities Forge Transaction Signatures Hash using the chip’s faulty message Extract private key From the tip.
Certainly hacker in that white hat Decrypted the private key of a real wallet 10 Includes BTC.
Read more: Description: Advantages and disadvantages of crypto wallet passphrases
A compromised Microchip ESP32 puts your Bitcoin wallet at risk
Bitcoin independence and businesses around the world take bugs seriously. Not only does the chip have an extensive list of vulnerabilities, it is already included in billions of devices around the world.
Sadly, the weakness of ESP32 is already physically installed on so many networks that secure value, such as BTC, private data, and other computer configuration properties. As such, this bug has achieved remarkable excellence among cybersecurity practitioners.
In the meantime, White Hat researchers have continued to provide responsible disclosures, already flagging bugs as potentially state-level theft vectors.
Discover more from Earlybirds Invest
Subscribe to get the latest posts sent to your email.
