microsoft.public.windowsxp.security_admin

"I steer away from wireless completely and only use/set wired Routers"
...nice approach to stay clear of wireless.

"vulnerability stems from the LAN side" .... Yes its a good thing there was
a fix excellent point about how hardware is vulnerable.

Yes good measure on configuring your routers firmware..icmp,admin..etc. By
doing so your router should be quite stealthy

Here's a Layered View of how a Security Filter configuration could Propogate
as.

First Layer of Security-- _Router
------------------------------------\
Second Layer of Security---------\_Firewall & Antivrus
---------------------------------------\
Third Layer of Security--------------\_Ipsec Configuration
-----------------------------------------\
Fourth Layer of Security---------------\_Group Policy Permissions
--------------------------------------------\
Fifth Layer of Security--------------------\ WinXP some Services that are
not crucial or needed can be turned off. Before doing so know what
dependencies are and what effect it has on the OS if turned off if any.
-------------------------------------------------\
Sixth Layer Of Security------------------------\ TCP Registry tweaks -
starting with ( http://support.microsoft.com/kb/314053/ )

Could be layered in many ways