Vodafone uses (RSA-2048). Without the private key, you cannot flash modified firmware via the web UI. However:
Allows users to configure advanced settings like port forwarding and custom DNS (though some tests suggest custom DNS settings may require client-side configuration to work reliably). Related Security Research thg3000 router firmware
for the THG3000 as of 2025. The chipset (Lantiq / Intel GRX350 + WiFi) has limited open drivers. Vodafone uses (RSA-2048)