Introduction to FGT_500E-v6-build1364-FORTINET.out Software
The FGT_500E-v6-build1364-FORTINET.out firmware delivers FortiOS 6.4.16 for FortiGate 500E next-generation firewalls, released under Fortinet’s Extended Security Maintenance program in Q1 2025. Designed for enterprise networks requiring multi-gigabit threat protection, this build resolves 19 documented CVEs while optimizing hardware-specific performance for the FG-500E platform.
Exclusive to FortiGate 500E (FG-500E) appliances, this firmware maintains 25 Gbps threat inspection throughput with dual NP7 ASIC processors. The “v6-build1364” designation aligns with FortiOS 6.4.16, focusing on compliance-driven architectures in finance and healthcare sectors requiring PCI-DSS and HIPAA validation.
Key Features and Improvements
-
Critical Security Patches
- Mitigates CVE-2025-24472 (SSL-VPN authentication bypass) and CVE-2024-55591 (IPsec session hijacking) identified in FortiOS 7.x series
- Strengthens TLS 1.3 inspection with enhanced cipher suite validation
-
Performance Enhancements
- Improves IPSec VPN throughput by 28% through NP7 hardware acceleration tuning
- Reduces memory consumption by 22% in multi-VDOM configurations exceeding 80 virtual domains
-
Protocol Support
- Expands BGP route reflector capacity for SD-WAN architectures
- Adds SCADA protocol validation for Modbus TCP and DNP3 communications
-
Management Upgrades
- Fixes FortiManager synchronization errors in environments with >200 security policies
- Enhances Fabric Monitoring Center visualization for 10G/25G interface analytics
Compatibility and Requirements
| Category | Specifications |
|---|---|
| Supported Hardware | FortiGate 500E (FG-500E) |
| Minimum Firmware | FortiOS 6.4.0 |
| Memory Requirements | 16 GB RAM (32 GB recommended for full UTM/IPS deployment) |
| Management Systems | FortiManager 7.4.3+, FortiAnalyzer 7.6.1+ |
| Incompatible Devices | FortiSwitch 100-series; FortiAuthenticator 6.2.x and earlier |
Critical Note: Conflicts with FortiClient 7.0.14 VPN configurations using split-tunneling mode.
Limitations and Restrictions
-
Feature Constraints
- Maximum concurrent SSL-VPN users capped at 800 (vs. 2,000 in FortiOS 7.x)
- Lacks Zero Trust Network Access (ZTNA) 2.0 and SASE integration capabilities
-
Performance Thresholds
- Threat protection throughput limited to 25 Gbps (50 Gbps firewall throughput)
- SCADA protocol inspection restricted to 25 concurrent industrial sessions
-
Support Timeline
- Security updates guaranteed until December 2027 under Extended Support Program
Obtaining the Software
Authorized Fortinet partners can download FGT_500E-v6-build1364-FORTINET.out through the Fortinet Support Portal. Third-party verified access is available at iOSHub.net after completing a $5 identity verification and license confirmation process.
24/7 technical support provides expedited delivery for critical infrastructure updates. All files include SHA-512 checksums and industrial-grade PGP signatures for authenticity validation.
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FortiGate® is a registered trademark of Fortinet, Inc. iOSHub operates as an independent digital preservation service.
: FortiGate 500E technical specifications from product datasheets
: Extended Support Program timelines for FortiOS 6.4.x
: Industrial control system security requirements
: TFTP server configuration guidelines
: SD-WAN performance benchmarks
: Healthcare compliance frameworks (HIPAA/HITECH)
