[rlpb]

When I've done DC rapid charging on my Leaf, I noticed that the charger knew the battery percentage reported by the car. That seems likely to be digital signalling to me, so suddenly there's the risk of buffer overflows and suchlike.

I've not seen this on AC, but when I looked into this previously I got the impression that there exists a digital signalling protocol established by modulating something ignored by older cars and chargers that can be optionally supported. If that's the case then there's potentially attack surface there, too.

[fnordpiglet]

That’s why I only buy cars written in rust.

[dylan604]

brings new meaning to the term "rust bucket"

[em-bee]

you must be a fan of oldtimers then. since most new cars are made with stainless steel, aluminum, carbon fiber or and other materials.