NASA JPL’s Voyager Team Is Patching Up Both Voyagers’ Firmware | Hackaday

It's not every day that you get to update the firmware on a device that was produced in the 1970s, and rarely is said device well beyond the boundaries of our solar system. This is however exactly what the JPL team in charge of the Voyager 1 & 2 missions are facing, as they are in the process of sending fresh firmware patches over to these amazing feats of engineering. 

https://hackaday.com/2023/10/22/nasa-jpls-voyager-team-is-patching-up-both-voyagers-firmware/