Cisco IOS and Cisco IOS XE Software are both products of the U.S. company Cisco IOS is a set of operating systems developed for its network devices.Cisco IOS XE Software is an operating system. A single operating system for enterprise wired and wireless access, aggregation, core and WAN, Cisco IOS XE reduces business and network complexity. cisco IOS and IOS XE Software is vulnerable to an input validation error that could be exploited by an attacker to bypass the configured target pattern and dial an arbitrary number.