FGT_601F-v7.4.2.F-build2571-FORTINET.out.zip: FortiGate 601F v7.4.2.F Firmware Download & Critical Security Update
Introduction to FGT_601F-v7.4.2.F-build2571-FORTINET.out.zip The FGT_601F-v7.4.2.F-build2571-FORTINET.out.zip firmware package is a mandatory security and performance update for FortiGate 601F series firewalls, released on April 28, 2025, under FortiOS 7.4.2.F. This build addresses critical vulnerabilities disclosed in Fortinet’s Q1 2025 security advisories while...

