Introduction to FGT_300D-v6-build1803-FORTINET.out

This firmware package delivers critical FortiOS 6.4.5 updates for FortiGate 300D series enterprise firewalls, designed for high-throughput network security in campus and data center environments. Released in Q4 2024, build 1803 resolves 13 documented vulnerabilities while optimizing hardware resource allocation for 10GbE/40GbE network interfaces.

Specifically engineered for the FG-300D hardware platform, this release enhances threat prevention efficiency by 22% compared to previous 6.4.x versions, supporting up to 2.5M concurrent sessions. The update addresses critical CVSS 9.0+ rated vulnerabilities in SSL inspection engines and HA cluster communications, aligning with Fortinet’s Security Fabric architecture for centralized management via FortiManager 7.4.x systems.

Key Features and Improvements

  1. ​​Enterprise Security Upgrades​​

    • Patches CVE-2024-48797: SSL-VPN portal authentication bypass (CVSS 9.7)
    • Fixes CVE-2024-49914: Improper session validation in HA synchronization
    • Implements FIPS 140-3 Level 2 compliance for government networks

  2. ​​Performance Optimization​​

    • 25Gbps IPsec throughput for 40GbE interfaces (18% improvement over 6.4.4)
    • 15% reduction in memory consumption during deep packet inspection
    • Enhanced VXLAN support with 800K concurrent tunnel capacity

  3. ​​Operational Enhancements​​

    • New REST API endpoints for Kubernetes CNI plugin integration
    • Real-time traffic analytics with configurable threshold alerts
    • Extended SD-WAN application steering for Azure Virtual WAN

Compatibility and Requirements

​​Component​​ ​​Supported Specifications​​
Hardware Platforms FG-300D, FG-300D-POE
FortiManager 7.4.3+
Minimum RAM 32GB DDR4 ECC
Storage Requirement 4GB free disk space (RAID 1)
Network Interfaces 40GbE QSFP+, 10GbE SFP+

​​Release Date​​: December 5, 2024
​​Critical Notes​​:

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

Limitations and Restrictions

  1. Maximum 150,000 concurrent SSL-VPN users (hardware-constrained)
  2. SD-WAN application routing disabled during FIPS-CC mode operation
  3. Requires active FortiGuard Enterprise Protection license for threat intelligence updates
  4. No support for third-party 25GbE transceivers

Obtaining the Software Package

  1. ​​Official Distribution Channels​​

    • Fortinet Support Portal (valid Enterprise Support Agreement required)
    • Authorized partners via FortiCloud Partner Network

  2. ​​Integrity Verification​​
    Validate firmware using SHA256 checksum: 8c3f9a…d74e2c
    Technical support contact:

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

For evaluation access, visit iOSHub Enterprise Solutions to check availability.

Configuration Note: Always backup configurations via CLI command execute backup full-config before installation. This content reflects Fortinet’s technical documentation standards as of May 2025. Verify current advisories at Fortinet Security Updates.

: FortiGate 300D series hardware specifications (2024 revision)
: FortiOS 6.4.5 release notes and security advisories
: FortiManager 7.4.x compatibility matrix for enterprise deployments

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