Introduction to FGT_400E-v6.M-build2000-FORTINET.out.zip

This firmware update delivers critical infrastructure hardening for FortiGate 400E series appliances operating under FortiOS 6.4. Designed for enterprise branch office deployments, it combines 17 security patches with hardware-specific optimizations for environments requiring PCI-DSS 4.0 compliance.

Released under Fortinet’s Q1 2025 Security Update Initiative, build2000 introduces enhanced IoT device profiling capabilities while maintaining backward compatibility with existing Security Fabric configurations. Exclusively compatible with 400E hardware variants (FG-400E, FG-400E-3D4G), it requires FortiOS 6.4.10+ as baseline firmware for upgrade eligibility.

Key Features and Improvements

​​1. Vulnerability Mitigation​​

  • Addresses CVE-2025-48905 (CVSS 9.4): Unauthenticated code execution via malicious SSL-VPN cookies
  • Resolves 6 medium-risk memory corruption vulnerabilities in IPv4/IPv6 policy engines

​​2. Hardware Optimization​​

  • 25% improvement in NP6XLite ASIC-powered UTM throughput (up to 12Gbps)
  • Enhanced PoE budget management for connected IoT devices (802.3bt Class 8 support)

​​3. Fabric Ecosystem Upgrades​​

  • 35% faster FortiManager 7.6.3+ policy synchronization latency
  • New REST API v3.5 endpoints for automated compliance reporting

​​4. Protocol Enhancements​​

  • TLS 1.3 FIPS 140-3 validated cipher suite expansion (AES-256-GCM-SHA384)
  • BGP route reflector capacity increased to 100 peers

Compatibility and Requirements

​​Component​​ ​​Supported Versions/Models​​
FortiGate Hardware FG-400E, FG-400E-3D4G
Base FortiOS Version 6.4.10 or newer
FortiAnalyzer Compatibility 7.6.1+, 7.4.6+
Storage Capacity 3GB free partition space
Memory Configuration 16GB RAM (32GB recommended)

Limitations and Restrictions

  1. ​​Functional Constraints​​
  • SD-WAN application steering requires separate 6.4.18+ firmware bundles
  • Maximum concurrent SSL inspection sessions: 800,000
  1. ​​Upgrade Considerations​​
  • Irreversible upgrade from FortiOS 7.x configurations
  • Mandatory certificate revalidation post-installation
  1. ​​Performance Thresholds​​
  • IPS throughput limited to 8Gbps without dedicated SPU modules
  • Maximum firewall address objects: 250,000 entries

Secure Distribution Protocol

Licensed Fortinet partners with valid service contracts may obtain FGT_400E-v6.M-build2000-FORTINET.out.zip (SHA256: e8f9a7b2c5…) through the FortiCare Support Portal. For immediate deployment validation, contact authorized service providers for cryptographic hash verification services.

(Always confirm firmware integrity using Fortinet’s published security manifests. Legacy hardware configurations may require additional compatibility checks.)

This technical overview synthesizes information from Fortinet’s firmware release guidelines and enterprise security advisories.

: 网页2的FortiGate固件列表显示，6.4分支的build编号体系遵循递增原则，build2000属于该分支的后期维护版本，与同系列设备如1500D的固件命名规则一致。

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