Not susceptible to the first two because these are almost universally large-process in-order CPUs. But generally "not programmable" in the sense of being hard-w

Not susceptible to the first two because these are almost universally large-process in-order CPUs. But generally "not programmable" in the sense of being hard-wired, or just not having a way of doing remote code execution to perform the update. These systems are _really_ simple.