Smartphone with MediaTek chipset vulnerability enabling crypto seed phrase theft, cybersecurity news.
Bitcoin News

Critical MediaTek Flaw Enables Crypto Seed Theft in 45 Seconds

January 5, 2026 — Taipei, Taiwan. Semiconductor giant MediaTek has urgently patched a critical security vulnerability in its smartphone chipsets that enabled attackers to steal cryptocurrency wallet seed phrases in just 45 seconds using only a USB cable. The flaw, discovered by Ledger’s elite white-hat security team Donjon, exploited a weakness in MediaTek’s secure boot […]