Disable TELNET! Cisco finds 0-Day affecting over 300 Network Switch Models

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


The vulnerability resides in the Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software.

So, in order to exploit this vulnerability, an attacker can send "malformed CMP-specific Telnet options while establishing a Telnet session with an affected Cisco device configured to accept Telnet connections," researchers say

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