CISA Warns of Active Cisco SD-WAN Exploitation, Orders Immediate Remediation Across Agencies
TL;DR Summary
CISA and international partners issued an alert about ongoing exploitation of Cisco SD-WAN vulnerabilities (CVE-2026-20127 and CVE-2022-20775), adding the first to the KEV catalog, and mandated federal agencies under Emergency Directive 26-03 to inventory, patch, collect artifacts, and hunt for evidence of compromise, while Cisco and partner agencies publish hardening and threat-hunting guidance.
- CISA and Partners Release Guidance for Ongoing Global Exploitation of Cisco SD-WAN Systems CISA (.gov)
- Exploitation of Cisco Catalyst SD-WAN National Cyber Security Centre
- Active exploitation of Cisco Catalyst SD-WAN by UAT-8616 Cisco Talos Blog
- Critical Cisco SD-WAN bug exploited in zero-day attacks since 2023 BleepingComputer
- CISA gives agencies until Friday to patch critical cyber bug Federal News Network
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