You need IPv6, VLANs, guest network isolation, or regular security patches.
After updating, change the admin password immediately, disable remote web access (WAN side), and set a weekly auto-reboot via the “System Tools” menu to avoid memory leaks. Final line: The Tenda F3 firmware is like a dependable bicycle – it won’t win races, but it’ll get you down the road for $15. Just don’t ask it to fly. tenda f3 firmware