Adam wrote his original guide in 2006, with a fully-DD-WRT-compatible Linksys WRT54GL router, and at that point, those who picked up a blue Linksys box without knowing about open-source firmware

Jun 22, 2019 DD-WRT Forum :: View topic - Linksys - WRT54GL - Latest build? Jul 16, 2015 Download DD-WRT Hotspot Wi-Fi firmware

How To Set Up A Repeater Bridge in DD-WRT - FlashRouters

Linksys wrt54GL DD-WRT Firmware Upgrade Guide

Linksys WRT Routers - WRT1900AC, Open-Source Ready

Linksys Official Support - WRT54GL Downloads