USE THIS FIRMWARE AT YOUR OWN RISK!
Firmware for the WL-500g can be found here:
http://www.asus.com.tw/support/downl...EN.zip~zaqwedc
http://www.asus.com.tw/pub/ASUS/wire..._WL530g_EN.zip
http://www.asus.com/pub/ASUS/wireles..._WL530g_EN.zip
http://www.asuscom.de/pub/ASUS/wirel..._WL530g_EN.zip
http://www.asus.com.cn/pub/ASUS/wire..._WL530g_EN.zip

Changelog:
1. Fix: Enable Short Cut to speed up WLAN
Affected Area: WLAN Driver
Do not import saved settings from older/other firmwares! this can cause unstability to your device
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Mirror @ Chupa.nl:
http://files.wl500g.info/asus/wl530g..._WL530g_EN.zip