Disable Telnet On Vulnerable Models — Patch is not Available Yet!

Cisco is warning of a new critical zero-day IOS / IOS XE vulnerability that affects more than 300 of its switch models.

The company identified this highest level of vulnerability in its product while analyzing "Vault 7" — a roughly 8,761 documents and files leaked by Wikileaks last week, claiming to detail hacking tools and tactics of the Central Intelligence Agency (CIA).

The vulnerability resides in the Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software.
Read more http://thehackernews.com/2017/03/cisco-network-switch-exploit.html?m=1