CISA Warns of Actively Exploited Cisco FMC Zero-Day Exposing Sensitive Data

The Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning regarding an actively exploited zero-day vulnerability affecting Cisco Secure Firewall Management Center (FMC) , tracked as CVE-2026-20316. The flaw, which involves a hard-coded password, poses a significant risk by enabling unauthenticated remote attackers to access sensitive data within affected systems. According to CISA, the vulnerability resides in Cisco FMC, formerly known as…