Critical Cisco SD-WAN Vulnerabilities Patched

Cisco has released security updates for its Catalyst SD-WAN Software after identifying multiple critical vulnerabilities, including CVE-2026-20303, CVE-2026-20304, and CVE-2026-20310, each rated 9.9 on the CVSS v3.1 scale. These flaws could lead to access control bypass, unauthorized privilege escalation, and exposure of sensitive data. The vulnerabilities were discovered by Cisco's engineering team during an internal review, with no evidence of active exploitation reported. Affected systems include the Catalyst SD-WAN platform, which is widely used in enterprise environments. Administrators are advised to apply the patches immediately to mitigate potential risks.

Key Points: • Cisco patched multiple critical vulnerabilities in Catalyst SD-WAN Software. • The vulnerabilities could allow unauthorized access and data exposure. • No active exploitation has been reported in the wild.