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Linksys BEFSX41 EtherFast Router Log Viewer Denial Of Service Vulnerability

Linksys BEFSX41 EtherFast Routers are prone to a denial of service. This issue is exposed via the log viewer in the web administrative interface. By submitting an invalid value for the "Log_Page_Num" parameter, it is possible to trigger this condition, causing the router to be unresponsive.

While exploitation does require a logged in administrative user to submit a request to the log viewer with malformed parameters, it is possible that the admin could be tricked into visiting a specially crafted URI that contains the IP address of the router and malformed URI parameters.