I wrote a blog post about the security of the STM32H730 microcontroller used in the Nintendo Alarmo. There's a vulnerability that allows dumping the protected secure bootloader of the STM32H730.
You can read more about it here: garyodernichts.blogspot.com/2025/11/priv...
garyodernichts.blogspot.com
Privileged Arbitrary Code Execution on STM32H73XXX microcontrollers
This is somewhat of a follow-up to the Nintendo Alarmo blog post from last year. This time the blog post is about the security of the STM32H...
