pointed by @m-1-k-3 while working on rapid7#1472

Author: jvazquez-r7

modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb

@@ -136,7 +136,7 @@ def run
 			res = send_request_cgi({
 				'uri'	=> uri,
 				'method' => 'POST',
-				'basic_auth' => "#{pass}:#{pass}",
+				'basic_auth' => "#{user}:#{pass}",
 				#'data' => data_cmd,
 
 				'vars_post' => {