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Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026

Source: cisco / cisco-sa-hardening-sdwan-faLcR3K — original advisory

Published: 2026-08-05 · Last updated: 2026-08-05 · Vendor severity: Critical

CVEs

CVECVSSCWEExploitation
CVE-2026-20303 9.9 CWE-1284 Not observed in the wild
CVE-2026-20304 9.9 CWE-1284 Not observed in the wild
CVE-2026-20310 9.9 CWE-1284 Not observed in the wild
CVE-2026-20312 9.9 CWE-1284 Not observed in the wild
CVE-2026-20313 9.9 CWE-1284 Not observed in the wild

Affected Products

ProductAffected versionsFixed version
Cisco Catalyst SD-WAN Controller Not specified by vendor Not specified by vendor
Cisco Catalyst SD-WAN Manager Not specified by vendor Not specified by vendor