DD-WRT is a wonderful open source custom router firmware that is supported on many devices. It adds features, stability and configurability to consumer routers. However, it's not easy for a novice starting out with DD-WRT. There hasn't been an official stable release since 2008.
The DD-WRT site has some excellent instructions on doing the installation, I’ll avoid repeating those but will document the steps I took. I will repeat some of the cautions from the site: The WNR3500L requires a NEWD-2, K2.6 build of DD-WRT NETGEAR WNR3500L-100NAS 802.11b/g/n RangeMax Wireless-N Gigabit router 2/16/2017 3:05:45 PM Pros: Its wired gigabit router works great Small and supports dd-wrt DD-WRT for NETGEAR WNR3500L (Mini, CHK) dd-wrt.v24-17084_NEWD-2_K2.6_mini-WNR3500L.chk Message 4 of 6 I got back from my trip, found a 3.3V USB-RS232 converter and reflashed the WNR3500L through the CFE with the current dd-wrt.v24-14311_NEWD-2_K2.6_mini-WNR3500L.chk file as listed in the database. I then flashed dd-wrt.v24-14311_NEWD-2_K2.6_std_usb_ftp.bin (from Linux, with Iceweasel/Firefox), and that seems to work fine too.
The DD-WRT site has some excellent instructions on doing the installation, I’ll avoid repeating those but will document the steps I took. I will repeat some of the cautions from the site: The WNR3500L requires a NEWD-2, K2.6 build of DD-WRT
Find user manuals, troubleshooting guides, firmware updates, and much more for your WNR3500Lv2 N300 wireless gigabit router on our NETGEAR Support site today. The DD-WRT site has some excellent instructions on doing the installation, I’ll avoid repeating those but will document the steps I took. I will repeat some of the cautions from the site: The WNR3500L requires a NEWD-2, K2.6 build of DD-WRT
RangeMax Wireless-N Gigabit Router with USB N300
dd-wrt.v24-14929_NEWD-2_K2.6_mini-WNR3500L.chk But it just never accepts it. I've tried from Chrome and Firefox on the mac, and from IE from Windows XP (on a real box, not parallels). The WNR3500L (also known as the WNR3500U) is an 802.11 b/g/n Wi-Fi router created by Netgear.It was officially launched in the autumn of 2009. The WNR3500L runs open-source Linux firmware and supports the installation of third party packages such as DD-WRT and Tomato dd-wrt image can be used for flash device after pin-short debricking/reseting Configure network on your machine (lan, 192.168.1.0/24) Set login over web 192.168.1.1 and telnet to router