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.