Haha. CCS2 electrical vehicle chargers communicate by running powerline commnication (yes, a full IP networking stack) over the wires plugged in your vehicle. And yes, some charging stations have a ssh listening, with default credentials (root/root).
https://www.saiflow.com/blog/the-hidden-ccs2-attack-surface-on-ev-chargers
(thanks @faheus for pointing me to it)