[MBAtarga]

All sorts of info on how this can be done. Most of what I found are a few years old though.

https://www.wired.com/2015/06/hacked-kids-toy-opens-garage-doors-seconds/

https://www.itstactical.com/intellicom/physical-security/how-to-hack-a-garage-door-in-under-10-seconds-and-what-you-can-do-about-it/

https://www.engadget.com/2015/08/10/hacking-device-lets-thieves-open-your-car/