Trezor Detects Malicious Hardware Implants in Safe 5 Wallets Sold Through CryptoBilis

TL;DR: Trezor confirmed the presence of unauthorized circuit boards with cellular modules in three Safe 5 devices sold between August 20 and September 23, 2026, through reseller CryptoBilis. The technical investigation covered a total of 48 units inspected and found no evidence of tampering in other models or in devices distributed through other authorized channels. The company released firmware version 2.13.1 on November 11, 2026, to neutralize data capture and cut its official reseller network by approximately 80%. Hardware wallet manufacturer Trezor confirmed the discovery of malicious hardware implants in Safe 5 wallets distributed in Southeast Asia. The firm reported that three units sold by reseller CryptoBilis between August 20 and September 23, 2026, contained unauthorized additional circuit boards.

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