Unauthenticated CVSS 10 Flaw Sparking Full Hijacking of Cisco SD-WAN Controllers 2 min read Security Unauthenticated CVSS 10 Flaw Sparking Full Hijacking of Cisco SD-WAN Controllers Do Son May 18, 2026 Cisco has issued an urgent advisory regarding ongoing offensives targeting its software-defined networking components, while Rapid7 has... Read More Read more about Unauthenticated CVSS 10 Flaw Sparking Full Hijacking of Cisco SD-WAN Controllers