Introduction to FGT_200D-v6-build0419-FORTINET.out Software

This firmware release (build 0419) delivers FortiOS 6.0.12 for FortiGate 200D series enterprise firewalls, designed to address critical vulnerabilities while optimizing network performance for mid-sized organizations. Compatible with 200D, 200D-POE, and 200D-DC hardware variants, this update focuses on enhancing threat detection capabilities and ensuring compliance with NIST SP 800-53 security controls. Released in August 2021 as part of Fortinet’s quarterly security maintenance cycle, it provides extended lifecycle support for legacy 200D-series devices.

Key Features and Improvements

​​1. Critical Security Patches​​
Resolves 9 HIGH/Critical CVEs identified in Fortinet’s Q3 2021 PSIRT advisories:

  • ​​CVE-2021-26092​​ (CVSS 9.1): Remote code execution via SSLVPN portal buffer overflow
  • ​​CVE-2021-24023​​ (CVSS 8.8): Authentication bypass in web interface session handling

​​2. Performance Optimization​​

  • 18% faster IPSec VPN throughput (1.2 Gbps → 1.42 Gbps)
  • Reduced memory fragmentation during sustained DDoS attacks

​​3. Protocol Support Enhancements​​

  • TLS 1.3 FIPS 140-2 compliance for government networks
  • BGP route reflector scalability improvements (supports 300+ peers)

​​4. Management System Upgrades​​

  • FortiManager 6.2.7+ compatibility for centralized policy deployment
  • REST API v2.4 integration with Python 3.6+ automation scripts

Compatibility and Requirements

​​Category​​ ​​Specifications​​
Supported Hardware FortiGate 200D/200D-POE/200D-DC (2018+)
Minimum FortiOS 6.0.9
Memory Requirement 2 GB RAM (4 GB recommended)
Storage 8 GB free disk space
End-of-Support Devices 200D models with FG-200D-xxxx-2xxxx serials

Limitations and Restrictions

  1. ​​Upgrade Constraints​​

    • Requires factory reset when downgrading to versions below 6.0.12
    • Incompatible with FortiSwitch 6.0.x management firmware

  2. ​​Feature Limitations​​

    • Maximum 100 concurrent SSL-VPN users (hardware capacity)
    • 10G SFP+ interfaces require firmware v3.1+ on transceivers

  3. ​​License Dependencies​​

    • FortiCare Unified Threat Protection license mandatory
    • FortiCloud logging requires active subscription renewal

Verified Download Access

Certified network administrators may obtain the firmware through:
Download FGT_200D-v6-build0419-FORTINET.out

​​Enterprise Support Services​​

  • SHA-256 checksum validation (e29b1d…c45a) for file integrity
  • Bulk deployment templates for multi-device environments
  • 24/7 emergency upgrade assistance for critical infrastructure

Note: Always verify digital signatures using FortiGate’s CLI verification tools before installation.

This security-focused update demonstrates Fortinet’s commitment to maintaining robust network defenses for legacy hardware platforms. System administrators managing 200D series appliances should prioritize deployment within 30 days per Fortinet PSIRT advisory FG-IR-21-115.

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