2021 Honda Civic infotainment system can be jailbroken via USB — flaw uses public Android test keys to install unauthorized apps, enables for 'EvilValet' attack... (opens in new tab)

A software architect determined that they could practically install anything they want on the infotainment system of their 2021 Honda Civic through the front USB port. While the head unit required a signed AOSP file to update itself, the AOSP test key is publicly known, meaning anyone with the knowledge could potentially build their own update file and load it with malware.