This just in from our good friends @ Winoscentral.com.
The Linksys Group Inc.'s BEFSR41 EtherFast Cable/DSL Router with 4-Port Switch is vulnerable to a remote DoS attack that requires the attacker to do nothing more than access a specific script on the router's remote management interface. The vulnerability affects all of the routers with firmware versions earlier than 1.42.7! There is no patch available for the problem at this point, but firmware version 1.43 fixes the problem. Popular Linksys Router Vulnerable To DoS Attack
The Linksys Group Inc.'s BEFSR41 EtherFast Cable/DSL Router with 4-Port Switch is vulnerable to a remote DoS attack that requires the attacker to do nothing more than access a specific script on the router's remote management interface. The vulnerability affects all of the routers with firmware versions earlier than 1.42.7! There is no patch available for the problem at this point, but firmware version 1.43 fixes the problem. Popular Linksys Router Vulnerable To DoS Attack