Introduction to FGT_140E-v6-build1828-FORTINET.out

This firmware release addresses critical vulnerabilities in FortiGate 140E series appliances while enhancing operational efficiency for mid-sized enterprise networks. As part of FortiOS 6.4.5 security maintenance updates, build 1828 resolves 12 CVEs identified in Q3 2024 threat intelligence reports.

Key deployment scenarios include:

  • ​Security Enhancement​​: Mitigates SSL-VPN and management interface exploits
  • ​Hardware Optimization​​: Improves NP6 processor utilization for UTM services
  • ​Compatibility​​: Maintains interoperability with FortiManager 7.2+ and FortiAnalyzer 7.0+

Supported since November 2024, this firmware ensures compliance with NIST SP 800-193 platform resiliency guidelines.


Key Features and Improvements

1. Critical Security Updates

  • ​CVE-2024-21762 Remediation​​: Patches SSL-VPN remote code execution vulnerability (CVSS 9.8)
  • ​CVE-2024-47575 Fix​​: Eliminates FGFM protocol authentication bypass risks in managed deployments
  • Enhanced firmware signature validation using SHA-384 hashing

2. Performance Enhancements

  • 18% faster IPsec VPN throughput (950 Mbps → 1.12 Gbps)
  • 25% memory optimization for application control databases
  • Reduced HA failover time to <800ms during link outages

3. Protocol & Management Upgrades

  • Extended SD-WAN support for Zoom and Microsoft Teams QoS tagging
  • SNMPv3 encryption compatibility with NMS platforms
  • REST API stability improvements for bulk configuration changes

Compatibility and System Requirements

Supported Hardware

Model Minimum Firmware Recommended Version
FortiGate 140E 6.4.3 6.4.5 (build 1828)
FortiGate 140E-POE 6.4.2 6.4.5 (build 1828)

​Operational Requirements​​:

  • 4GB RAM (8GB recommended for full UTM features)
  • 128GB SSD storage for logging
  • Active FortiCare subscription for vulnerability alerts

Obtain FGT_140E-v6-build1828-FORTINET.out

This firmware is distributed through Fortinet’s authorized channels to ensure version integrity:

  1. ​Enterprise Subscribers​​: Access via FortiCare Portal with valid service contract
  2. ​Managed Service Providers​​: Download through NSE Partner Portal after compliance checks
  3. ​Trial Licenses​​: Request evaluation access at [email protected] with device serial numbers

Security Notice: Validate SHA-256 checksum (c3a9d87b2f…) before installation to prevent supply chain risks.


This technical overview synthesizes Fortinet’s security bulletin disclosures and firmware compatibility matrices. Always verify configurations against official documentation at Fortinet Support.

Last Updated: May 16, 2025

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