#!/usr/bin/perl
use strict;
use warnings;
use WWW::Mechanize;

my $url = 'http://192.168.0.1/'; # Change if necessary
my $mech = WWW::Mechanize->new( autocheck => 1 );
$mech->credentials (
    '192.168.0.1:80',
    'FVS318',
    'admin' => 'secret'
);
$mech->get( $url );

# Rest of code goes here