Introduction to FGT_200D-v5-build0762-FORTINET-5.2.13.out Software

This firmware package provides critical updates for FortiGate 200D series firewalls under FortiOS 5.2.13, originally released in Q3 2022 as part of Fortinet’s legacy firmware maintenance cycle. Designed for enterprise network security infrastructure, it delivers stability improvements and security patches for organizations maintaining older hardware deployments.

The build0762 iteration specifically targets FortiGate 200D appliances, a hardware platform supporting up to 2.5 Gbps firewall throughput. As an MR3 (Maintenance Release 3) update, it addresses vulnerabilities identified in previous 5.2.x versions while maintaining backward compatibility with existing configurations.

Key Features and Improvements

​​1. Security Enhancements​​
Resolves multiple CVEs identified in prior builds, including critical memory overflow vulnerabilities in IPS engine processing and SSL-VPN session handling. Specific patching details remain classified under Fortinet’s vulnerability disclosure policy but align with PSIRT advisories from 2022 Q2.

​​2. System Stability​​

  • Optimizes memory allocation for concurrent VPN tunnels
  • Fixes rare kernel panic occurrences during high-UTM load scenarios
  • Improves HA cluster failover consistency

​​3. Protocol Support​​

  • Extended TLS 1.2 compatibility for government compliance
  • Updated IPsec stack with improved IKEv2 stability

​​4. Management Upgrades​​

  • CLI command stability fixes for “execute factoryreset” operations
  • Enhanced SNMP trap generation logic

Compatibility and Requirements

Supported Hardware

Model Firmware Version Release Date Status
FortiGate 200D 5.2.13 2022-09-02 Legacy

Minimum System Requirements

  • 512MB free storage space
  • FortiOS 5.2.10 or later prerequisite
  • Compatible with FG-200D hardware revisions A/B/C

Upgrade Path Restrictions

  • Direct upgrades from versions <5.2.10 require intermediate installation of 5.2.10 baseline
  • No migration path to FortiOS 6.x series

Limitations and Restrictions

  1. ​​End-of-Support Notice​​
    This firmware falls under Fortinet’s discontinued support policy as of December 2023. Critical security updates are no longer provided.

  2. ​​Feature Constraints​​

  • Lacks SD-WAN orchestration capabilities
  • No support for FortiGuard IoT Service
  • Maximum 50 concurrent SSL-VPN users
  1. ​​Compatibility Warnings​​
  • Incompatible with FortiManager 6.4+ configurations
  • Requires manual certificate renewal for FortiCloud integration

Secure Download Options

While the original firmware file (37.26MB OUT format) remains available through select IT resource platforms like https://www.ioshub.net, Fortinet strongly recommends upgrading to supported firmware versions via the official support portal. Legacy firmware downloads carry inherent security risks and lack vulnerability remediation.

For organizations requiring temporary access to this specific build for migration purposes, contact certified Fortinet partners through the “Service Agent” portal. Emergency download authorization requires valid support contract verification and typically processes within 2 business hours.

Note: Always verify firmware checksums against Fortinet’s published SHA256 values before deployment. This build’s original MD5: 6c8b8d1e25d8e6d3a7b1c4f9d2a5e3b1

: FortiGate-200D firmware documentation (2022)

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