standard the wl300 is using the 1.4g7 firmware afaik
i've found when using 2 wl-300 bridging eachother that this firmware may fail when trying to reconnect (e.g. in case of power fail at one side)

so i wen't looking for a better one after testing a few

so i upgraded 3 wl-300's to firmware 1.4j3
can be downloaded here:

a few others i have can be downloaded here

and upgrade your AP with this util: