Cisco SD-WAN Zero-Day CVE-2026-20127 Exploited for Admin Access

A critical security vulnerability in Cisco’s Catalyst SD-WAN Controller and Manager has been actively exploited since 2023. Identified as CVE-2026-20127 with a CVSS score of 10.0, this flaw enables remote attackers to bypass authentication. Organizations using these Cisco products are urged to implement necessary security measures to mitigate the risks associated with this serious threat.

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