Nitrokey 3: Firmware v1.8.1 Security Update released

A security update for the firmware of the Nitrokey 3 has been released: version 1.8.1.

If you are using PIV, you should update immediately, because it fixes CVE-2025-25201. For more information, see the blog post.

You can upgrade your Nitrokey either using the nitropy cli tool with

nitropy nk3 update

or using the Nitrokey-app2.

The changes to the firmware:

v1.8.1 Latest

Fixes

Update PIV-authenticator

Security

This release fixes CVE-2025-25201. 

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