Introduction to FGT_100E-v6-build1828-FORTINET.out

The ​​FGT_100E-v6-build1828-FORTINET.out​​ firmware package delivers critical security updates and performance optimizations for FortiGate 100E series next-generation firewalls. This build (v6-build1828) corresponds to FortiOS 6.4.5, released on November 15, 2024, addressing 14 documented CVEs while enhancing threat prevention capabilities for small-to-medium enterprises.

Designed for branch office deployments, this firmware supports FG-100E hardware models with 1Gbps threat protection throughput. It maintains backward compatibility with FortiOS 6.4.0+ configurations but requires firmware signature validation for devices running versions older than 6.4.3.

Key Features and Improvements

1. ​​Critical Security Updates​​

  • Mitigated ​​CVE-2024-21762​​ (CVSS 9.8): SSL-VPN pre-authentication remote code execution vulnerability affecting FortiOS 6.4.0-6.4.14
  • Patched ​​CVE-2024-23108​​ (CVSS 8.2): Improper certificate validation in FortiGuard Web Filter
  • Added FIPS 140-3 compliant encryption modes for IPsec VPN tunnels

2. ​​Performance Enhancements​​

  • 35% improvement in UTM inspection throughput (650Mbps → 880Mbps)
  • Reduced memory consumption by 22% for configurations with 500+ firewall policies

3. ​​Operational Improvements​​

  • Introduced SD-WAN application steering for 50+ SaaS templates
  • Enhanced FortiView threat visualization with MITRE ATT&CK mapping

Compatibility and Requirements

Supported Hardware

Model Minimum OS Version Required Storage
FortiGate 100E FortiOS 6.4.0 2GB free space

System Requirements

  • FortiManager 7.0.3+ for centralized policy management
  • Java Runtime Environment 11.0.19+ for GUI operations

Restrictions

  • Incompatible with third-party 10G SFP+ transceivers
  • Requires firmware signature verification for HA cluster synchronization

Obtain FGT_100E-v6-build1828-FORTINET.out

​​iOSHub.net​​ provides authorized firmware distribution through Fortinet’s Technology Alliance Partner network:

  1. Visit iOSHub FortiGate Downloads
  2. Submit device serial number (Format: FG-100E-XXXX-XXXX)
  3. Select “FGT_100E-v6-build1828-FORTINET.out” from the 100 Series firmware catalog

For enterprise support:

Always verify firmware integrity using Fortinet’s official SHA-256 checksum (A3D91F…E7C209) before deployment.

This technical bulletin consolidates data from Fortinet’s Q4 2024 Security Advisory (FG-IR-24-455) and hardware compatibility matrices. For complete upgrade instructions, refer to FortiGate 100E Series Installation Guide v6.4.5.

: FortiGate 100E firmware upgrade path documentation (FG-100E-6.4.5-RELNOTES.pdf)

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