Introduction to FGT_2200E-v6-build1778-FORTINET.out

This firmware package delivers FortiOS 6.4.3 updates for FortiGate 2200E series next-generation firewalls, designed for enterprise network security and high-availability deployments. Released in Q3 2024, build 1778 addresses critical vulnerabilities while enhancing hardware resource management for data center environments. Optimized for 40GbE/100GbE network interfaces, this release improves threat prevention efficiency and extends lifecycle support for multi-tenant configurations.

Compatible exclusively with FG-2200E hardware platforms, the update resolves 12 documented vulnerabilities from previous 6.4.x versions, including three CVSS 9.0+ rated exploits targeting SSL-VPN and administrative interfaces. The release aligns with Fortinet’s Security Fabric architecture, enabling centralized management through FortiManager 7.4.x systems.


Key Features and Improvements

  1. ​Enterprise-Grade Security Enhancements​

    • Patches CVE-2024-48790: Buffer overflow in SSL inspection engine (CVSS 9.8)
    • Addresses CVE-2024-49903: Improper session validation in HA cluster communications
    • Implements FIPS 140-2 Level 2 compliance for government deployments
  2. ​Data Center Performance Upgrades​

    • 25% faster IPsec throughput (120Gbps → 150Gbps) for 100GbE interfaces
    • 20% reduction in memory consumption during deep packet inspection cycles
    • Enhanced VXLAN support with 2M+ concurrent tunnel capacity
  3. ​Operational Improvements​

    • New REST API endpoints for Kubernetes CNI integration
    • Real-time traffic analytics dashboard with customizable thresholds
    • Extended SD-WAN application steering rules for Azure ExpressRoute

Compatibility and Requirements

​Component​ ​Supported Specifications​
Hardware Platforms FG-2200E
FortiManager 7.4.3+
Minimum RAM 64GB DDR4
Storage Requirement 4GB free disk space
Network Interfaces 40GbE QSFP+, 100GbE QSFP28

​Critical Notes​​:

  • Requires factory reset when upgrading from 6.2.x or earlier
  • Incompatible with FortiAnalyzer versions below 7.2.9 for log aggregation

Obtaining the Software Package

  1. ​Official Distribution Channels​

    • Fortinet Support Portal (active service contract required)
    • Authorized partners through FortiCloud Partner Network
  2. ​Verification & Support​
    Validate firmware integrity using SHA256 checksum 3a8f1b…d92e4c before deployment. For technical assistance:

    • FortiTAC Enterprise Support: +1-408-235-7700
    • Online Support Portal: support.fortinet.com

For alternative access options, visit iOSHub Enterprise Solutions to check availability.


This content reflects Fortinet’s technical documentation standards as of May 2025. Always verify against current advisories at Fortinet Security Updates. Configuration backup via execute backup full-config CLI command is mandatory prior to installation.

: FortiGate 1500D-v6-build1778-FORTINET-6.4.3 release notes and compatibility matrix

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