Cisco Talos is tracking active exploitation of multiple vulnerabilities in Cisco Catalyst SD-WAN Controller and Manager. Threat actor UAT-8616 is exploiting CVE-2026-20182 for authentication bypass, while other clusters are chaining CVE-2026-20133, CVE-2026-20128, and CVE-2026-20122 to deploy JSP webshells and post-exploitation frameworks like Sliver and AdaptixC2.