NETGEAR has released fixes for a pre-authentication command injection in request_handler.php security vulnerability on the following product models: WC7500 running firmware versions prior to 6.5.3.5; WC7520 running firmware versions prior to 2.5.0.46; WC7600v1 running firmware versions prior to 6.5.3.5; WC7600v2 running firmware versions prior to 6.5.3.5; and WC9500 running firmware versions prior to 6.5.3.5.