Agencies Urged to Upgrade Cisco Firewalls After Exploited Zero-Day
Cisco reports active exploitation of CVE-2026-76418, an unauthenticated vulnerability affecting ASA and FTD firewalls that can force devices to reload and disrupt VPN and network availability. Agencies and contractors should identify exposed devices and prioritize upgrades to fixed releases; disabling secondary authentication is only a temporary mitigation with security and compliance trade-offs.