FortiGate Firewall Exploitation Fuels Network Breaches in New Attack Wave

Cybersecurity defenders identified a surge in network breaches originating from compromised FortiGate Next-Generation Firewalls. According to incident responders at SentinelOne, threat actors exploit recent vulnerabilities to extract configuration files, steal credentials, and establish deep network footholds. Attackers are primarily leveraging flaws in Fortinet’s Single Sign-On mechanisms. Vulnerabilities like CVE-2025-59718, CVE-2025-59719, and the recently patched CVE-2026-24858 […]

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