
A residential gateway connects a local area network (such as a home network) to a wide area network (such as the Internet). Yes, DD-WRT stopped dedicated builds for the WRT54G sometime around 2010. There will be other more minor vulnerabilities as well. At the very least, this means the WRT54G is vulnerable to the KRACK vulnerability from 2017. Watch wrt54g vs wrt54g-tm wireless router video There are many versions of DD_WRT and other third party wrt54g firmware like tomato, or gargoyle, that can be installed for add functionality and stability on the wrt54g router but be sure to get the correct bin file for your wrt54g model and model version of the router you are using as thes are for the most part NOT interchangeable and can render your little blue linksys a "brick". The Linksys WRT54G Wi-Fi series is a series of Wi-Ficapable residential gateways marketed by Linksys, a subsidiary of Cisco from 2003 until acquired by Belkin in 2013. The latest firmware I can find for the WRT54G, third-party or otherwise, dates to 2010. , although the high gain antennas are no longer replaceable on these wal-mart issues. This memory area is only sized at 2mb on the newest versions of WRT54G router ver.4 -8. The WRT54G-TM will accept the "MEGA" version of the DD-WRT firmware due to its 8meg NV (NON VOLATILE) ram. A SDCARD OR MMC MEMORY CARD CAN BE ADDED TO THE WRT54G, AND MOST OF THE OTHER ROUTERS IN THIS FAMILY. As a note, these newer versions are receiving much worse reviews from users then the older Linux. The newer Version 5 devices use a non-Linux proprietary firmware that cannot be replaced.

These older versions of the WRT54G/GS run Linux.

These are called micro because some of the wireless functions have been left out to conserve room in the flashable memory space one quarter (1/4) the size of its bigger brother the wrt54g-tm. The DD-WRT Project is a free rewrite of the firmware for Versions 1-4 of the LinkSys WRT54G/GS routers.
Wrt54g dd wrt latest firmware mod#
Wrt54g DD-WRT FIRMWARE MOD VERSION: The Linksys WRT54G model wireless router will only accept the "micro" versions of dd-wrt firmware.
