TL;DR: This update fixes two severe vulnerabilities in the BitBox firmware, which were internally discovered by the BitBox team. We also inform about a potential application of a vulnerability already fixed with the recent Oeschinen update, initially discovered internally and later disclosed independently by an external researcher.
There are no reports of stolen user funds and there is no reason for users to panic. We recommend all users to update their BitBox devices to the latest firmware version, which fixes all security issues described in this article.
quotingWe just released the Dixence security update.
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During our internal audits, we were able to discover and fix multiple security issues in the BitBox firmware.
We recommend our users to update their BitBoxApp and device firmware through the BitBoxApp settings.
https://blog.bitbox.swiss/en/bitbox-08-2026-dixence-update/