I believe some custom firmware for TVs exist, the issue is that they are relatively new pieces of tech, while routers have existed for a comparatively long time.
Based on the limited experience with a few devices (LG), the SoC in TVs are not new pieces of tech. At all. They seem old and underpowered crap. Similar to DVB-T sticks available for the price of 2 pizzas and a pack of gum on AliExpress.
I believe some custom firmware for TVs exist, the issue is that they are relatively new pieces of tech, while routers have existed for a comparatively long time.
Based on the limited experience with a few devices (LG), the SoC in TVs are not new pieces of tech. At all. They seem old and underpowered crap. Similar to DVB-T sticks available for the price of 2 pizzas and a pack of gum on AliExpress.
cfw on smart TVs would be difficult in the first place due to the TVs’ heavily TiVo-ized nature (pun not intended)