curl -X POST http://192.168.31.1/cgi-bin/luci/;stok=token/api/misystem/arn_switch -d "open=1&model=1&level=%0Anvram%20commit%0A"

curl -X POST http://192.168.31.1/cgi-bin/luci/;stok=token/api/misystem/arn_switch -d "open=1&model=1&level=%0Ased%20-i%20's%2Fchannel%3D.*%2Fchannel%3D%22debug%22%2Fg'%20%2Fetc%2Finit.d%2Fdropbear%0A"

curl -X POST http://192.168.31.1/cgi-bin/luci/;stok=token/api/misystem/arn_switch -d "open=1&model=1&level=%0A%2Fetc%2Finit.d%2Fdropbear%20start%0A"

nvram set ssh_en=1
nvram set telnet_en=1
nvram set uart_en=1
nvram set boot_wait=on
nvram commit
sed -i 's/channel=.*/channel="debug"/g' /etc/init.d/dropbear
/etc/init.d/dropbear restart
echo -e 'admin\nadmin' | passwd root

mkdir /data/auto_ssh && cd /data/auto_ssh
curl -O [文件下载链接]
chmod +x auto_ssh.sh
./auto_ssh.sh install

mkdir /data/auto_ssh && cd /data/auto_ssh
vi auto_ssh.sh

#!/bin/sh

auto_ssh_dir="/data/auto_ssh"
host_key="/etc/dropbear/dropbear_rsa_host_key"
host_key_bk="${auto_ssh_dir}/dropbear_rsa_host_key"

unlock() {
    # Restore the host key.
    [ -f $host_key_bk ] && ln -sf $host_key_bk $host_key

    # Enable telnet, ssh, uart and boot_wait.
    [ "$(nvram get telnet_en)" = 0 ] && nvram set telnet_en=1 && nvram commit
    [ "$(nvram get ssh_en)" = 0 ] && nvram set ssh_en=1 && nvram commit
    [ "$(nvram get uart_en)" = 0 ] && nvram set uart_en=1 && nvram commit
    [ "$(nvram get boot_wait)" = "off" ]  && nvram set boot_wait=on && nvram commit

    [ "`uci -c /usr/share/xiao **  get xiao ** _version.version.CHANNEL`" != 'stable' ] && {
        uci -c /usr/share/xiao **  set xiao ** _version.version.CHANNEL='stable' 
        uci -c /usr/share/xiao **  commit xiao ** _version.version 2>/dev/null
    }

    channel=`/sbin/uci get /usr/share/xiao ** /xiao ** _version.version.CHANNEL`
    if [ "$channel" = "release" ]; then
        sed -i 's/channel=.*/channel="debug"/g' /etc/init.d/dropbear
    fi

    if [ -z "$(pidof dropbear)" -o -z "$(netstat -ntul | grep :22)" ]; then
        /etc/init.d/dropbear restart 2>/dev/null
        /etc/init.d/dropbear enable
    fi
}

install() {
    # unlock SSH.
    unlock

    # host key is empty, restart dropbear to generate the host key.
    [ -s $host_key ] || /etc/init.d/dropbear restart 2>/dev/null

    # Backup the host key.
    if [ ! -s $host_key_bk ]; then
        i=0
        while [ $i -le 30 ]
        do
            if [ -s $host_key ]; then
                cp -f $host_key $host_key_bk 2>/dev/null
                break
            fi
            let i++
            sleep 1s
        done
    fi

    # Add script to system autostart
    uci set firewall.auto_ssh=include
    uci set firewall.auto_ssh.type='script'
    uci set firewall.auto_ssh.path="${auto_ssh_dir}/auto_ssh.sh"
    uci set firewall.auto_ssh.enabled='1'
    uci commit firewall
    echo -e "\033[32m SSH unlock complete. \033[0m"
}

uninstall() {
    # Remove scripts from system autostart
    uci delete firewall.auto_ssh
    uci commit firewall
    echo -e "\033[33m SSH unlock has been removed. \033[0m"
}

main() {
    [ -z "$1" ] && unlock && return
    case "$1" in
    install)
        install
        ;;
    uninstall)
        uninstall
        ;;
    *)
        echo -e "\033[31m Unknown parameter: $1 \033[0m"
        return 1
        ;;
    esac
}

main "$@"

chmod +x auto_ssh.sh
./auto_ssh.sh install

zz=$(dd if=/dev/zero bs=1 count=2 2>/dev/null) ; printf '\xA5\x5A%c%c' $zz $zz | mtd write - crash
reboot

nvram set ssh_en=1
nvram set telnet_en=1
nvram set uart_en=1
nvram set boot_wait=on
nvram commit
bdata set ssh_en=1
bdata set telnet_en=1
bdata set uart_en=1
bdata set boot_wait=on
bdata commit
reboot

mtd erase crash
reboot

sed -i '/flg_ssh=`nvram get ssh_en`/{:loop; N; /\n.*channel=`\/sbin\/uci get \/usr\/share\/xiao ** \/xiao ** _version.version.CHANNEL`\n.*return 0\n.*fi/!b loop; d}' /etc/init.d/dropbear
/etc/init.d/dropbear restart
echo -e 'admin\nadmin' | passwd root

echo -e '你的密码\n你的密码' | passwd root

3. 使用 MobaXterm 通过 ssh 连接路由器，用户名为 root，密码为 admin，输入后即可登入路由器 ssh 后台，登入后再做一遍步骤 4 软固化即可。
4. 自定义密码：