Cisco SD-WAN vulnerability CVE-2026-20127 has been exploited since 2023 to gain unauthenticated admin access. A critical Cisco SD-WAN vulnerability, tracked as CVE-2026-20127 (CVSS score of 10.0), has been actively exploited since 2023. The flaw affects Catalyst SD-WAN Controller and Manager and allows remote, unauthenticated attackers to bypass authentication and gain full administrative access by sending […]