Cisco Catalyst SD-WAN Zero-Day CVE-2026
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-20127 | Authentication Bypass in Cisco Catalyst SD-WAN Controller, Manager, Validator | 10.0 | 89% | KEV | KEV |
| CVE-2026-20182 | Authentication Bypass in Cisco Catalyst SD-WAN Control Components | 10.0 | 92% | KEV | KEV |
| CVE-2026-20245 | Command Injection as Root in Cisco Catalyst SD-WAN Manager | 7.8 | 25% | KEV | KEV |
From the original article
3 min read at securityaffairs.com
Hackers exploited Cisco Catalyst SD-WAN flaw CVE-2026-20245 as a zero-day months before disclosure, enabling privileged command execution. Google-owned Mandiant reported that an unknown threat actor exploited Cisco Catalyst SD-WAN vulnerability CVE-2026-20245 (CVSS base score of 7. 8) as a zero-day at least two months before it was publicly disclosed.
By @securityaffairs · securityaffairs.com
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