Cisco patched critical vulnerabilities with Cisco Small Business that allows a remote attacker to take full control of the high-privileged account. Also fixed a privilege escalation vulnerability that impacts Cisco Prime License Manager (PLM) Software. The patch covers 5 critical vulnerabilities, other 22 high and medium severity security vulnerabilities impacting several routers, WebEx, Cisco SD-WAN Solution Software versions and other software. The vulnerability is due to improper validation of user-supplied input in the web-based management interface.”]
Source: https://gbhackers.com/critical-cisco-security-flaws-allow-complete-router-firewall-takeover/