ShellCodeX Intelligence Brief
CRITICAL
Vulnerabilities
Cisco Catalyst SD-WAN flaw CVE-2026-20245 used for authenticated root access
Source headline: Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access
Threat level
Critical
Signal strength
75/100
Source confidence
1 source
Published
6 hours ago
Intelligence Summary
Mandiant reports a zero-day in Cisco Catalyst SD-WAN that was exploited before public disclosure. The flaw, CVE-2026-20245, requires authentication and allows a local attacker to run arbitrary commands. Successful exploitation grants elevated privileges, potentially leading to root access. The issue has a CVSS score of 7.8, indicating meaningful impact. Organizations using affected Catalyst SD-WAN deployments should check for mitigations and apply patches as they become available.
Recommended Action
Prioritize immediate review, validate exposure, and patch or mitigate affected systems.
Topics
Original reporting
The Hacker News
Cisco Catalyst SD-WAN Zero-Day CVE-2026-20245 Exploited to Gain Root Access
Open original source