Cisco Warns of Active Exploitation of Catalyst SD-WAN Flaw With No Patch Available
Mon Jun 08 2026
Critical Infrastructure
Networking
Patch Management
Vulnerability
Zero-day
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Cisco has issued an urgent warning that a high-severity vulnerability in its Catalyst SD-WAN Manager platform is being actively exploited in the wild—and no patch exists yet. CVE-2026-20245 allows authenticated attackers with netadmin privileges to execute arbitrary commands as root, placing wide-area network infrastructure at severe risk.
The disclosure is particularly alarming because Catalyst SD-WAN Manager controls and orchestrates SD-WAN deployments across enterprise and carrier networks. A successful exploit could allow attackers to push malicious configurations to thousands of edge devices simultaneously.
Understanding CVE-2026-20245
CVE-2026-20245 exists in the command-line interfac...