CVE-2025-15645

Ledger Nano X, Flex, and Stax devices contain a denial of service vulnerability in the MCU firmware update process due to missing validation of the resethandler parameter during firmware flashing. An attacker can provide a crafted resethandler address pointing to invalid memory or...

PT-2026-42020

Name of the Vulnerable Software and Affected Versions Ledger Nano X affected versions not specified Ledger Flex affected versions not specified Ledger Stax affected versions not specified Description A denial of service issue exists in the MCU firmware update process. The flaw is caused by missin...