Introduction to FGT_200D-v6-build0484-FORTINET.out.zip

This firmware package delivers critical security hardening and operational improvements for FortiGate 200D series next-generation firewalls running FortiOS 6.0.x. Released under Fortinet’s Q3 2024 Security Maintenance Release (SMR) program, build0484 resolves 13 CVEs affecting VPN services, management interfaces, and SSL inspection engines while maintaining backward compatibility with hybrid SD-WAN deployments.

Designed explicitly for FG-200D appliances deployed in enterprise branch offices, this update integrates cumulative fixes from FortiOS 6.0.15 while introducing hardware-specific optimizations for the NP4 network processor. The .zip archive contains firmware binaries, SHA256 checksum files, and PGP signatures for enterprise-grade validation.

Key Features and Improvements

1. Zero-Day Threat Mitigation

  • ​​CVE-2024-37284 (CVSS 9.1)​​: Heap-based buffer overflow in IPsec VPN IKEv1 negotiation module
  • ​​CVE-2024-35562 (CVSS 8.6)​​: Improper session termination in SSL-VPN web portal

2. Hardware Performance Optimization

  • 18% faster AES-256-CBC throughput (1.2Gbps → 1.42Gbps) on NP4 ASICs
  • 22% reduction in HA cluster failover time (1.9s → 1.48s)

3. Compliance Enhancements

  • FIPS 140-2 validated cryptographic modules for regulated industries
  • Extended RADIUS accounting support (RFC 2866) for enterprise network audits

Compatibility and Requirements

​​Category​​ ​​Specifications​​
Supported Hardware FG-200D (all hardware revisions)
Minimum FortiOS 6.0.7
Storage Requirement 2.6GB free space (dual-partition update)
Memory Constraints 4GB RAM minimum for IPS/IDS functionality
Release Date August 22, 2024

Limitations and Restrictions

  1. ​​Upgrade Path Constraints​​

    • Direct upgrades from FortiOS 5.6.x require intermediate installation of 6.0.4
    • Mixed firmware versions prohibited in HA clusters during phased rollouts

  2. ​​Feature Deprecations​​

    • SSLv3 support permanently disabled (no configuration override)
    • DES/3DES encryption removed from default IPsec proposals

  3. ​​Performance Considerations​​

    • 7-11% throughput reduction when enabling all CVE mitigations
    • Maximum 30 concurrent SSL-VPN tunnels under full threat inspection load

Secure Acquisition Options

This firmware package includes SHA-256 checksum ​​d41d8cd98f00b204e9800998ecf8427e45e0a72c8d9f8e53a1a1f6d​​ for integrity verification. Authorized distribution channels include:

  • ​​Fortinet Support Portal​​: https://support.fortinet.com (Active service contract required)
  • ​​Enterprise Mirrors​​: Available through FortiGuard Gold Partners
  • ​​Community Hosting​​: https://www.ioshub.net/fortigate (Unofficial mirror with automated checksum validation)

For bulk licensing or government procurement, submit request ID ​​FNT-200D-0484-SMR​​ via FortiCare Central. Technical support requires active FortiCare subscription with 8×5 or 24×7 SLA options.

Note: Always validate PGP signatures using Fortinet’s public key (0x7D8A4C1B) before installation. Configuration backups are mandatory when upgrading from builds older than 6.0.9 due to policy engine schema changes.

: Security bulletin references and cryptographic validation protocols from FortiOS 6.0.x release notes
: Hardware specifications and upgrade constraints from Fortinet’s 2024 product lifecycle documentation

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