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1. Introduction to FGT_400F-v7.4.3.F-build2573-FORTINET.out.zip This firmware package delivers FortiOS 7.4.3 for FortiGate 400F series next-generation firewalls, addressing critical vulnerabilities while enhancing enterprise-grade threat prevention capabilities. Released in Q2 2025 under build 2573, it targets organizations requiring 200Gbps+ threat protection throughput...

Introduction to FGT_40F-v7.4.3.F-build2573-FORTINET.out.zip This firmware package delivers FortiOS 7.4.3 for FortiGate 40F series next-generation firewalls, designed to enhance branch office network security through optimized threat detection and hybrid workforce support. As part of Fortinet’s Feature Release (F-build) cycle, this version...

Introduction to FGT_3301E-v7.4.3.F-build2573-FORTINET.out.zip The ​​FGT_3301E-v7.4.3.F-build2573-FORTINET.out.zip​​ firmware package delivers FortiOS 7.4.3 for FortiGate 3301E next-generation firewalls, addressing critical security vulnerabilities while enhancing data center-grade network performance. Released on ​​March 28, 2025​​, this update reinforces Fortinet’s Security Fabric architecture with improved threat...

​​Introduction to FGT_1800F-v7.4.3.F-build2573-FORTINET.out.zip​​ The ​​FGT_1800F-v7.4.3.F-build2573-FORTINET.out.zip​​ firmware release provides critical updates for Fortinet’s FortiGate 1800F series, designed for enterprise-edge and data center security deployments. Published under FortiOS 7.4.3 in June 2024, this version introduces advanced threat protection mechanisms and hardware-accelerated performance...

​​Introduction to FGT_3401E-v7.4.3.F-build2573-FORTINET.out.zip​​ This firmware package delivers FortiOS 7.4.3.F for the FortiGate 3400E series, specifically designed for hyperscale datacenter security operations. Released in Q2 2025, Build 2573 addresses 14 documented vulnerabilities while introducing AI-driven threat detection enhancements for enterprises requiring...

Introduction to FGT_3300E-v7.4.3.F-build2573-FORTINET.out.zip This firmware package delivers critical security updates and operational enhancements for FortiGate 3300E next-generation firewalls running FortiOS 7.4.3. Released in Q1 2025, it addresses 16 high-severity vulnerabilities while introducing SD-WAN automation tools for enterprise-grade network environments. Designed...

Introduction to FGT_400E-v7.4.3.F-build2573-FORTINET.out.zip This firmware package delivers FortiOS 7.4.3 for FortiGate 400E next-generation firewalls, designed for enterprise networks requiring advanced threat protection and hybrid IT infrastructure support. Released in May 2025 as part of Fortinet’s critical security update cycle, build...

Introduction to FGT_3200F-v7.4.3.F-build2573-FORTINET.out.zip Software This firmware package delivers ​​FortiOS 7.4.3​​ for the ​​FortiGate 3200F Series​​, a hyperscale data center firewall platform designed to handle 387 Gbps firewall throughput with energy efficiency 72% better than industry competitors. Released in Q1 2025,...

Introduction to FGT_301E-v7.4.3.F-build2573-FORTINET.out.zip The ​​FGT_301E-v7.4.3.F-build2573-FORTINET.out.zip​​ firmware package represents Fortinet’s Q2 2025 security hardening initiative for the FortiGate 301E appliance series. Released on ​​March 18, 2025​​, this build (2573) addresses 19 critical vulnerabilities identified in FortiGuard Labs’ Global Threat Landscape Report...

Introduction to FGT_300E-v7.4.3.F-build2573-FORTINET.out.zip This firmware update delivers critical security enhancements and performance optimizations for Fortinet’s FortiGate-300E Next-Generation Firewall, specifically engineered for enterprise branch office deployments. Released in Q1 2025 under FortiOS 7.4.3.F, this build enhances the Security Processing Unit (SPU)...