You can go to the Linksys web site for firmware upgrades. You can go dslreports.com for the beta firmware which I believe is up to 1.39. If you are not having a ...
Versions of 3.03.6 and 3.01.03 of the Linksys WRT54G wireless router contain several vulnerabilities that could be exploited by an attacker to take control of the HTTP Web management interface.