here is a newer version of netgears stock firmware if needed

bug fixes included are as follows
with new features


WNR3500L Firmware Version 1.2.2.44



Note: Do not upgrade the firmware using a wireless connection. Please perform firmware upgrade with "wired" or Ethernet connection only.

New Features:
•Scheduled Wi-Fi on/off.
•24-hour Internet connect/disconnect (for Germany only).
•Port mapping for the Port Forwarding function.
•Multicast forwarding and IGMP proxying.
•PnP-x support.

Bug Fixes:
•Sometimes DDNS does not update.
•[Traffic Meter] when the warning message option (certain volume or time has been reached) is checked, the HTTP traffic will be blocked.