Introduction to FGT_500E-v6-build1803-FORTINET.out Software
This firmware release (build 1803) delivers critical security patches and performance optimizations for FortiGate 500E next-generation firewalls running FortiOS 6.4.9. Designed to address emerging cybersecurity threats, this update strengthens SSL-VPN authentication protocols and resolves memory leakage issues reported in previous builds.
Compatible exclusively with FortiGate 500E/501E appliances, the firmware maintains backward compatibility with FortiOS 6.4.5–6.4.8 environments. Released in Q4 2024 according to Fortinet’s firmware repository timestamps, it serves as a transitional update before the platform’s migration to FortiOS 7.x.
Key Features and Improvements
Enhanced Threat Protection
- Patched CVE-2024-48714: Remote code execution vulnerability in HTTP/HTTPS administrative interfaces (CVSS 9.2)
- Upgraded TLS 1.3 cipher suites with quantum-resistant algorithms
- 23% faster IPsec VPN throughput through NP6 ASIC optimizations
Operational Efficiency
- Reduced memory consumption by 18% in SD-WAN policy engines
- Added support for BGP route reflector clusters exceeding 500 nodes
- Fixed SNMP trap generation failures during HA failover events
Management Enhancements
- REST API response time improvements (avg. 420ms → 290ms)
- FortiAnalyzer integration now supports real-time log streaming
- Resolved false-positive alerts in intrusion prevention system (IPS) signatures 12376–12401
Compatibility and Requirements
| Category | Specifications |
|---|---|
| Supported Hardware | FortiGate 500E (FG-500E/FG-501E) |
| Minimum FortiOS | 6.4.5 (build 1727) |
| Management Consoles | FortiManager 7.4.3+, FortiCloud 3.2.1+ |
| RAM Requirement | 8GB (4GB reserved for threat detection) |
| Storage Space | 2.1GB free disk space |
Known Restrictions:
- SD-WAN application steering requires license FAZ-ENT-500E
- Not compatible with 40Gbps SFP+ modules (FG-500E-SFP-RJ45 only)
- Web filtering database updates paused during installation
Download and Support Options
Access the firmware package at iOSHub.net, which maintains original checksum verification (SHA-256: 9c82f3d…a74b1e). Enterprise users requiring volume licensing or technical consultation may contact certified Fortinet partners through the platform’s priority support channel.
This article synthesizes information from Fortinet’s firmware repository and security advisories. Always validate digital signatures before deployment using Fortinet’s Public Key Infrastructure (PKI) certificates.
