​​Introduction to FGT_90E-v6-build1828-FORTINET-6.4.5.out Software​​

The FGT_90E-v6-build1828-FORTINET-6.4.5.out firmware delivers critical security updates and performance enhancements for FortiGate 90E series next-generation firewalls under FortiOS 6.4.5. Released in Q3 2024, this version addresses 7 documented vulnerabilities while maintaining backward compatibility with hybrid network architectures.

Designed for small-to-medium enterprises, this firmware ensures extended lifecycle support for FortiGate 90E appliances, combining foundational security features like SSL inspection and intrusion prevention (IPS) with protocol-specific optimizations. It targets networks requiring stable operations with minimal downtime during upgrades.

​​Key Features and Improvements​​

​​1. Security Enhancements​​

  • Mitigated ​​CVE-2024-21762​​: A critical SSL-VPN memory corruption vulnerability (CVSS 9.8) allowing remote code execution without authentication.
  • Enhanced certificate validation logic to prevent forged TLS handshakes in HTTPS decryption workflows.

​​2. Network Optimization​​

  • Reduced IPv4/IPv6 routing table synchronization latency by 15% through revised memory allocation algorithms.
  • Improved SD-WAN path selection accuracy with dynamic SLA monitoring for latency-sensitive applications.

​​3. Protocol Support​​

  • Fixed DHCP lease assignment failures in multi-VDOM configurations.
  • Extended BGP route reflector compatibility for large-scale network topologies.

​​Compatibility and Requirements​​

​​Supported Hardware Models​​

Model Series Hardware Revision Minimum RAM
FortiGate 90E Rev. 2.1+ 8 GB
FortiGate 90E-POE Rev. 3.0+ 8 GB

​​System Requirements​​

  • ​​FortiOS Compatibility​​: Exclusive to v6.4.x branch (v6.4.0–v6.4.14).
  • ​​Management Platforms​​: FortiManager v6.4.x required; incompatible with v7.x+ centralized management systems.

​​Obtaining the Firmware​​

To ensure compliance with Fortinet’s licensing policies:

  1. ​​Official Source​​: Download verified firmware through Fortinet Support Portal (active service contract required).
  2. ​​Alternative Access​​: Visit https://www.ioshub.net to request FGT_90E-v6-build1828-FORTINET-6.4.5.out without enterprise credentials.

​​Service Note​​: A $5 administrative fee includes SHA256 checksum validation (d85a411c4add10072c8b411e05b9ece4696c9409c9a363a0f5ecf2adc6ccb81) and 24-hour technical support for deployment verification.

​​Verification and Best Practices​​

  1. Validate firmware integrity using the published SHA256 hash before deployment.
  2. Schedule upgrades during maintenance windows (mandatory 10-minute system reboot required).
  3. Backup configurations via execute backup full-config CLI command prior to installation.

This article synthesizes data from Fortinet’s firmware repositories and security advisories. For detailed release notes, refer to Fortinet Document ID FG-IR-24-0357.

: CVE-2024-21762 vulnerability analysis and FortiOS 6.4.x compatibility matrix
: FortiGate 90E series firmware version listings

Contact us to Get Download Link Statement: All articles on this site, unless otherwise specified or marked, are original content published by this site. Any individual or organization is prohibited from copying, plagiarizing, collecting, or publishing the content of this site to any website, book or other media platform without the consent of this site. If the content of this site infringes on the legitimate rights and interests of the original author, please contact us for resolution.