Cisco critical flaw: At least 8.5 million switches open to attack, so patch now

Cisco has released patches for 34 vulnerabilities mostly affecting its IOS and IOS XE networking software, including three critical remote code execution security bugs. Perhaps the most serious issue Cisco has released a patch for is critical bug CVE-2018-0171 affecting Smart Install, a Cisco client for quickly deploying new switches for Cisco IOS Software and Cisco IOS XE Software.