Discover how a critical Cisco zero-day vulnerability in Catalyst SD-WAN Manager allowed attackers to bypass authentication with a single encoded letter.

#Cisco #ZeroDay #Cybersecurity #CatalystSDWAN #TechNews

Cisco released urgent fixes for CVE-2026-76504, a critical 9.8 auth bypass in Catalyst SD-WAN Manager already exploited in the wild. Malformed HTTP requests can grant admin access. #Cisco #CatalystSDWAN #CVE202676504