Ledger Exposes Potential Security Flaw in Trezor Wallets
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- Ledger Donjon identified microcontroller vulnerabilities in the Trezor Safe 3 and Safe 5 hardware wallets.
- Trezor has patched the flaw, ensuring user funds remain protected.
- The findings raise concerns about cryptographic operations outside the Secure Element.
Ledger’s security experts, Ledger Donjon, have found a critical flaw in some of Trezor’s hardware wallets, Safe 3 and 5. The weakness exists in the microcontroller, that is the device’s main computer.
According to Ledger, this could allow attackers to compromise users’ crypto assets through voltage glitching techniques – a hardware attack that disrupts a device’s power supply to cause errors and bypass security.
At @Ledger, you might know that we have the @DonjonLedger, our dedicated team constantly conducting open security research.
— Charles Guillemet (@P3b7_) March 12, 2025
We recently worked with Trezor, revealing that their Trezor Safe 3 was susceptible to physical supply chain attacks. Here's a thread on our findings:pic.twitter.com/CORDOQWRYg
Trezor’s Secure Element is designed to defend against physical attacks like this, but a design flaw reportedly allows a well-equipped hacker to…
The post Ledger Exposes Potential Security Flaw in Trezor Wallets appeared first on Coin Edition.
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