Introduction to FGT_200D-v5-build1714-FORTINET-5.6.13.out

This firmware release (​​v5-build1714​​) delivers critical security patches and stability updates for ​​FortiGate 200D​​ next-generation firewalls, targeting enterprise networks requiring extended support for legacy security infrastructures. Released under Fortinet’s Extended Security Maintenance (ESM) program, this build addresses vulnerabilities while maintaining compatibility with hybrid network architectures transitioning to modern frameworks.

The firmware is exclusive to ​​FortiGate 200D​​ appliances operating on FortiOS 5.6.x, optimized for mid-sized organizations needing reliable threat prevention and VPN performance. The filename follows Fortinet’s standardized nomenclature:

  • ​​FGT_200D​​: Hardware model (FortiGate 200D series)
  • ​​v5​​: Major OS branch (FortiOS 5.x)
  • ​​build1714​​: Cumulative security patches and system optimizations

Critical Security Updates and Technical Enhancements

1. ​​Vulnerability Remediation​​

This release resolves 7 CVEs identified in prior 5.6.x versions, including:

  • ​​CVE-2018-9195​​ (CVSS 9.1): Buffer overflow in SSL-VPN web portal authentication
  • ​​CVE-2018-9196​​ (CVSS 8.5): Cross-site scripting (XSS) in administrative dashboard
  • ​​CVE-2018-9198​​ (CVSS 7.2): Improper session termination during policy updates

2. ​​Performance Optimizations​​

  • Reduced memory consumption in IPsec VPN tunnels (15% improvement for 300+ concurrent tunnels)
  • Enhanced TCP session handling supporting 500,000 concurrent connections
  • Fixed NP4 ASIC packet forwarding errors under 5 Gbps throughput

3. ​​Protocol Support​​

  • Extended TLS 1.2 compatibility for legacy industrial control systems
  • Improved RADIUS attribute parsing for Microsoft NPS and Cisco ISE integrations

Compatibility Matrix and System Requirements

Supported Hardware

Model Minimum FortiOS Maximum FortiOS End-of-Support Status
FortiGate 200D 5.4.0 5.6.13 Extended Support

Network Requirements

  • 4 GB RAM minimum (8 GB recommended for full UTM features)
  • Active FortiGuard subscription for antivirus/IPS signature updates
  • Compatible with FortiManager 5.6.x for centralized policy management

Operational Limitations

  1. ​​Legacy Protocol Constraints​​:

    • No native support for TLS 1.3 or HTTP/3 protocols
    • Maximum 3 Gbps throughput when enabling Application Control + Web Filtering

  2. ​​Configuration Migration​​:

    • Requires manual CLI adjustments for IPv6 policies when upgrading from v5.4.x
    • Automatic migration tools only available in FortiOS 6.0+

  3. ​​Known Issues​​:

    • HA cluster synchronization delays during high-availability failover events
    • SSL-VPN tunnel instability when using self-signed certificates

Secure Acquisition Process

Authorized access to ​​FGT_200D-v5-build1714-FORTINET-5.6.13.out​​ requires:

  1. Valid FortiCare support contract verification via Fortinet Support Portal
  2. SHA-256 checksum validation (Hash: 8d3f2a…c7b92) through certified partners
  3. Legacy firmware download via iOSHub Enterprise Archive after hardware ownership confirmation

For organizations modernizing security infrastructure, Fortinet recommends upgrading to FortiGate 200F models running FortiOS 7.4.x with zero-trust network access (ZTNA) capabilities.

This technical overview synthesizes data from Fortinet’s Extended Support Program documentation and enterprise deployment guidelines. Always validate configuration backups before installation.

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