It isn’t a common feature on ISP provided routers, which is what most people use. Some ISPs (example: my own) even make it exceptionally difficult to use other routers. I had to install OpenWRT on my retail router to get it, and getting that working was such a pain.
not a common feature of home networks
If the compromised machine has access to both vlans, you’re still fucked
It’s a feature on mine
That’s why my security has multiple layers
It isn’t a common feature on ISP provided routers, which is what most people use. Some ISPs (example: my own) even make it exceptionally difficult to use other routers. I had to install OpenWRT on my retail router to get it, and getting that working was such a pain.