Ledger finds security flaws in Trezor Safe 3 and Safe 5 models
Written by Ohris M. Greyoon, Blockchain & Crypto Expert
Security Vulnerabilities in Trezor Wallets: Ledger's report reveals significant security flaws in Trezor's Safe 3 and Safe 5 hardware wallets, primarily due to vulnerabilities in their microcontrollers that could allow hackers to gain remote access to user funds despite the introduction of a Secure Element.
Bypassing Firmware Integrity Checks: The authentication system used by Trezor fails to verify the integrity of the microcontroller's firmware, allowing attackers to modify it undetected, which poses a serious risk as compromised devices can appear legitimate while stealing private keys or altering transactions.
About the author

Ohris M. Greyoon
Ohris M. Greyoon holds a Master’s in Computer Science from MIT and has 10 years of experience in blockchain technology and cryptocurrency markets. A pioneer in decentralized finance (DeFi) analysis, he leads Intellectia’s Crypto News, offering cutting-edge insights into digital assets.







