It was found that the Ledger Nano S bootloader can be tricked into flashing and executing untrusted firmware. Research Site: https://wallet.fail/ Twitter: https://twitter.com/walletfail Thomas Roth: https://twitter.com/stacksmashing original wallet.fail talk: https://www.youtube.com/watch?v=Y1OBIGslgGM The bootloader is used to update the firmware of the 'non-secure' processor in the Ledger Nano S and has full control over the display, USB and the buttons. Time might tell how critical this issue actually is, a strong proof-of-concept still requires a lot of work and maybe the guys from wallet.fail will publish more in the future. Or join the security research and play around with it yourself! =[ ❤️ Support ]= → per Video: https://www.patreon.com/join/liveoverflow → per Month: null =[ 🐕 Social ]= → Twitter: https://twitter.com/LiveOverflow/ → Website: https://liveoverflow.com/ → Subreddit: https://www.reddit.com/r/LiveOverflow/ → Facebook: https://www.facebook.com/LiveOverflow/ =[ 📄 P.S. ]= All links with "*" are affiliate links. LiveOverflow / Security Flag GmbH is part of the Amazon Affiliate Partner Programm. #HardwareSecurity #SecurityResearch