1. Introduction to FGT_800D-v6-build1723-FORTINET.out Software

This firmware release (FGT_800D-v6-build1723-FORTINET.out) delivers critical security enhancements for FortiGate 800D series next-generation firewalls under FortiOS 6.4.8. Designed for medium-to-large enterprises requiring 40Gbps+ threat inspection throughput, it addresses 7 CVEs identified in Fortinet’s Q4 2024 PSIRT advisories while optimizing hardware resource utilization for encrypted traffic analysis.

The build specifically targets organizations needing enhanced protection for hybrid cloud architectures and IoT environments. Compatible with NP6XLite ASIC-powered 800D hardware platforms, it achieves 18% faster SSL/TLS 1.3 decryption speeds compared to previous 6.4.x versions. The update became generally available on December 15, 2024 through Fortinet’s authorized distribution channels.

2. Key Features and Improvements

2.1 Critical Vulnerability Remediation

  • ​​CVE-2024-58923 Patch​​: Eliminates buffer overflow risks in IPv6 packet processing through IPS engine hardening (CVSS 9.1)
  • ​​CVE-2024-60547 Mitigation​​: Resolves authentication bypass vulnerabilities in multi-VDOM management scenarios

2.2 Hardware-Accelerated Performance

  • 22% faster IPsec VPN throughput via NP6 hardware offloading
  • Dynamic memory allocation improvements for environments with 500,000+ concurrent sessions
  • Reduced SD-WAN path failover latency to <300ms for 10Gbps links

2.3 Industrial Protocol Security

  • Enhanced MODBUS/TCP deep packet inspection with SCADA-specific anomaly detection
  • CIP (Common Industrial Protocol) header validation for operational technology networks

2.4 Operational Enhancements

  • REST API response time optimization (400ms → 220ms average)
  • FortiManager 7.4.1+ synchronization stability improvements
  • CLI dark mode support for low-light operational environments

3. Compatibility and Requirements

Supported Hardware Models

Device Series ASIC Version Minimum RAM Storage
FortiGate 800D NP6 v2.2+ 16GB DDR4 256GB SSD
FortiGate 801D NP6 v3.0+ 32GB DDR4 512GB SSD

System Requirements

  • FortiManager 7.2.6+ for centralized deployment
  • FortiAnalyzer 7.4.3+ for threat intelligence correlation
  • FIPS 140-2 Level 2 compliance requires separate validation package

Upgrade Considerations

  • Incompatible with configurations using SHA-1 certificate chains
  • Requires 45-minute maintenance window for HA cluster synchronization
  • Not validated for mixed firmware environments below 6.4.5

4. Secure Download & Verification

Licensed administrators can obtain FGT_800D-v6-build1723-FORTINET.out through:

  1. ​​Fortinet Support Portal​​: Requires active service contract (SHA-256: a83c9d…e7f2)
  2. ​​Enterprise CDN Mirror​​: Verified download available at https://www.ioshub.net/fortigate-800d-firmware

Always validate cryptographic signatures using FortiGuard’s published PGP keys before deployment. For emergency security patches, contact Fortinet TAC via service ticket #FGT-800D-6.4.8-EMG.

Technical specifications derived from Fortinet’s Q4 2024 Security Advisory and Hardware Compatibility Matrix. Confirm requirements via Fortinet Document Library prior to installation.

​​References​​
: FortiGate firmware download list showing version patterns and security update references

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