Lenovo ThinkPad X1 Nano Gen 2

Firmware History

1. 1.33

   2025-12-29

   UEFI: 1.33 / ECP: 1.21 - [Important] Enhancement to address security vulnerability, CVE-2025-31648. - [Important] Enhancement to address security vulnerability, CVE-2025-10237. (Note) If the UEFI BIOS has been updated to version 1.33 or higher from version 1.32 and older, it is no longer able to roll back to the version before 1.33. - (New) Updated CPU microcode. (Note) Above update will show "Self-Healing BIOS backup progressing ... xx %" message on screen during BIOS update process. - (New) Updated the Diagnostics module to version 04.43.000. - (New) Add new RootCA for Lenovo Cloud.

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