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1. Introduction to FGT_1000F-v7.4.3.F-build2573-FORTINET.out Software This mission-critical firmware update (build 2573) delivers advanced threat prevention capabilities for Fortinet’s enterprise-grade 1000F Next-Generation Firewall platform. Designed for large-scale corporate networks and service providers, the update introduces hardware-accelerated TLS 1.3 inspection at 200Gbps...

Introduction to FGT_90E-v7.4.2.F-build2571-FORTINET.out Software This firmware package delivers critical updates for FortiGate 90E series next-generation firewalls operating under FortiOS 7.4.2. Released as part of Fortinet’s Q2 2025 security maintenance cycle, build 2571 addresses 9 documented CVEs while introducing hardware-specific optimizations...

Introduction to FGT_140E_POE-v7.4.3.F-build2573-FORTINET.out Software This firmware release (build2573) delivers FortiOS 7.4.3 Feature Update for ​​FortiGate 140E-PoE​​ series appliances, specifically engineered for Power over Ethernet-enabled network environments. Released on May 10, 2025, it resolves 15 critical vulnerabilities while introducing hardware-accelerated threat...

Introduction to FGT_VM64_HV-v7.4.2.F-build2571-FORTINET.out.hyperv.zip This Hyper-V optimized virtual machine package delivers FortiOS 7.4.2 for FortiGate-VM64 deployments, released on March 28, 2025 under Fortinet’s Virtual Security Compute Program. Designed for Microsoft hypervisor environments, it provides enterprise-grade firewall capabilities with native integration for...

​​Introduction to FGT_VM64_KVM-v7.4.2.F-build2571-FORTINET.out.kvm.zip​​ This KVM-optimized virtual appliance package delivers FortiOS 7.4.2 security enhancements for FortiGate VM64 instances. Released in May 2025 under Fortinet’s quarterly security maintenance cycle, it resolves 15 CVEs while improving threat inspection throughput by 35% compared to...

Introduction to FGT_VM64-v7.4.2.F-build2571-FORTINET.out This virtual appliance package delivers FortiOS 7.4.2 for FortiGate-VM64 deployments, designed for hybrid cloud security and enterprise network protection. Released in Q1 2025 under Fortinet’s Security Fabric Update Program, it addresses 12 critical CVEs while introducing hardware-accelerated...

Introduction to FGT_901G-v7.4.2.F-build2571-FORTINET.out This enterprise-grade firmware update delivers mission-critical security patches and operational optimizations for FortiGate 901G next-generation firewalls under FortiOS 7.4.2. Released as part of Fortinet’s Q2 2025 security update cycle, this build resolves 31 documented vulnerabilities while introducing...

​​Introduction to FGT_900D-v7.4.2.F-build2571-FORTINET.out​​ This firmware package delivers FortiOS 7.4.2 for FortiGate 900D series appliances, designed for enterprise-grade network security and high-performance threat protection. Released on March 12, 2025, it addresses 18 critical vulnerabilities while introducing advanced SD-WAN orchestration capabilities and...

Introduction to FGT_91E-v7.4.2.F-build2571-FORTINET.out This critical firmware update resolves 6 vulnerabilities identified in FortiOS 7.4’s Q2 2025 security audit cycle, specifically engineered for FortiGate 91E next-generation firewalls deployed in branch office networks. Released under Fortinet’s accelerated security response protocol, build 2571...

Introduction to FGT_81E_POE-v7.4.2.F-build2571-FORTINET.out This firmware release (build 2571) provides critical security updates and operational enhancements for FortiGate 81E-POE series firewalls, designed for small-to-medium businesses and distributed branch offices requiring Power over Ethernet (PoE) capabilities. As part of FortiOS 7.4.2 feature...