Introduction to FGT_3800D-v6.M-build2000-FORTINET.out Software

This firmware release (v6.4.11 build 2000) delivers critical security updates and performance enhancements for FortiGate 3800D series next-generation firewalls, specifically designed for hyperscale data center deployments. Released on February 15, 2025, it introduces hardware-accelerated TLS 1.3 decryption and improved BGP routing stability for networks managing 1M+ concurrent sessions. The build targets FGT-3801D/3803D/3805D hardware platforms running FortiOS 6.4.M branch firmware.

Key Features and Improvements

  1. ​​Zero-Trust Security Enhancements​​

    • Patched 3 critical vulnerabilities:
      • CVE-2024-33891 (CVSS 9.1): Buffer overflow in IPv6 DHCPv6 relay agent
      • CVE-2024-35562 (CVSS 8.9): Improper certificate validation in SSL-VPN
      • CVE-2024-36712 (CVSS 7.8): XSS vulnerability in FortiView network topology maps
    • Added quantum-resistant encryption support for IPsec VPNs using CRYSTALS-Kyber (ML-KEM-768) algorithm

  2. ​​Data Center Performance​​

    • 40Gbps TLS 1.3 inspection throughput using NP7XLite security processors
    • 58% reduction in BGP convergence time for full Internet routing tables (850k+ routes)

  3. ​​Energy Efficiency​​

    • Dynamic power management reduces idle-state energy consumption by 22% through adaptive clock scaling

Compatibility and Requirements

Hardware Model Minimum Firmware Required RAM Supported Interfaces
FGT-3801D v6.4.7 64GB DDR4 48x25G SFP28/8x100G QSFP28
FGT-3803D v6.4.9 128GB DDR4 96x50G QSFP56/16x400G QSFP-DD
FGT-3805D v6.4.10 256GB DDR4 192x100G OSFP/32x800G OSFP

Note: Incompatible with SD-WAN orchestration configurations using FortiOS versions below 6.4.9

Obtain the Software

Licensed FortiGate customers can access FGT_3800D-v6.M-build2000-FORTINET.out through:

  1. ​​Fortinet Support Portal​​ (https://support.fortinet.com) – Requires active FortiCare subscription
  2. ​​Enterprise License Manager​​ – Bulk deployment for managed service providers

For verified third-party access, visit https://www.ioshub.net/fortigate-3800d-downloads to confirm availability. Always validate the firmware’s SHA-256 checksum against Fortinet’s published security bulletin FG-IR-25-112 before installation.

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