I think when there’s a step change in our ability to find one type of vulnerability, other types of vulnerability are probably going to become more common as well. Let’s see where we stand at the end of the year.
replyWith physical access, root access is as simple as setting init=/bin/bash in the kernel parameters from a bootloader. No need for credentials or anything.
replySecure boot and disk enryption are not that unusual nowdays
replySecure boot doesn't provide security, just control for device manufacturers.
replyPhysical access always means the device is pwned. You can install a keylogger or something similar.