Some of popular routers are attack-prone so if you don't want to play with firmware upgrades or so rather avoid these:
Pentagram Cerberus P 6331-42
ZTE ZXV10 W300
I have 3 different routers for neostrada in my home and everyone is working fine. One of those is just the Pentagram router - it was enough to change some setting in configuration to avoid this:
I use the one who has the best range.