Twinkly Twinkly Little Star: https://labs.mwrinfosecurity.com/blog/twinkly-twinkly-little-star
search for Xiaomi scooters lock & unlock the devices: https://github.com/rani-i/Mi365Locker
Mass play any YouTube video, terminate apps and rename Chromecast device(s) obtained from Shodan.io: https://github.com/649/Crashcast-Exploit
Project Alias is an open-source parasite to train custom wake-up names for smart home devices while disturbing their built-in microphone: https://github.com/bjoernkarmann/project_alias
35C3 - Modchips of the State: https://www.youtube.com/watch?v=C7H3V7tkxeA (BNC backdoor designed to be inserted into a resistor sitting between the SPI flash and the BNC chip)
Rooting the FireTV Cube and Pendant with FireFU: https://blog.exploitee.rs/2018/rooting-the-firetv-cube-and-pendant-with-firefu/