To get an idea of how difficult this would be, read up on the the ISEE-3 Reboot Project. It was a successful effort by radio amateurs (hackers, but the good kind) to contact and “reboot” a 30 year old satellite. This satellite was at a Lagrange point (L1 I believe), much closer to Earth than Voyagers 1 and 2. This was very difficult to achieve, but waaay easier than trying to do the same thing with Voyager.
[https://amsat-dl.org/projects/ice-isee-3/](https://amsat-dl.org/projects/ice-isee-3/)
Thanks to bearcatjoe for posting the Wikipedia link below, which contains a much better summary than my link!!
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