I'm aware there are ways to self host the exploit, but this still requires a router and pc if im not mistaken. Is there anyway to run the exploit untethered though, even with a device so that there is no router/pc required just the system and a tv?
Yes.
Main use is Al-Azifs DNS method of launching the exploit. Thas caches it for offline use.
There are also some mini wifi boards i have ESP8266 based ones. These have about 4mb of memory enough to hold the exploit and act as a fake wifi router. Powered over USB.
I used a cheap TP-Link usb wifi adapter (which I think was around $6 when I bought it in 2016) and Al-Azif's newest "ps4-exploit-host" (0.4.5): https://github.com/Al-Azif/ps4-exploit-host/releases
You can also use an ethernet cable if you have an extra network card, or if you're on a laptop that's connected to a wireless router (and has an ethernet port), to "share" the internet connection through it, with Al-Azif's DNS addresses in the PS4's connection setup.
Once you run the exploit, all you need to do is access the browser from the dashboard and it will load the last visited page (i.e. the one that applies the exploit). It's surprisingly convenient. As long as you don't manually delete the browser cache/cookies/website data.
If you are using the online hosting site then offline cache is setup there. If you self host you need to make sure that the offline cache is configured in the self-hosting files. It is not "automatic". Cheers.
So is there really any point in having an ESP8266 module anymore? Does it make things more convenient despite the cached exploit?

