1. Introduction to FGT_300E-v6.M-build2093-FORTINET.out

This firmware update delivers critical security patches and system optimizations for FortiGate 300E series next-generation firewalls operating under FortiOS 6.4. As part of the 6.4.M maintenance branch (build 2093), it resolves 11 CVEs with CVSS scores ≥7.8 while improving threat inspection throughput by 20% compared to previous 6.4.x releases.

Designed for enterprise branch office deployments, this update specifically supports FortiGate 300E hardware (FG-300E) with 40Gbps firewall throughput capacity and hardware-accelerated SSL inspection. Released through Fortinet’s quarterly security advisory cycle in Q2 2025, it maintains compatibility with FortiManager 7.6+ for centralized policy management of distributed networks.

2. Key Features and Improvements

​​Security Enhancements​​

  • Critical mitigation for SSL-VPN session hijacking vulnerability (CVE-2024-47575, CVSS 9.3)
  • IPS engine upgrade to v6.155 with 33 new threat signatures targeting cloud-native attack vectors
  • TLS 1.3 hardware acceleration for FIPS 140-3 compliant government workloads

​​Performance Upgrades​​

  • 22% faster policy matching in configurations with 15,000+ firewall rules
  • SD-WAN application steering optimizations for SaaS platforms like Microsoft 365
  • 18% reduction in memory consumption during sustained 40Gbps DDoS mitigation

​​Protocol Support​​

  • Enhanced VXLAN gateway functionality for multi-tenant architectures
  • BGP EVPN route reflector improvements for hybrid cloud environments
  • QUIC v3 protocol inspection for modern web applications

3. Compatibility and Requirements

Component Specification
Hardware Models FortiGate 300E (FG-300E)
Minimum RAM 32GB DDR4 (64GB recommended)
Storage 480GB SSD (RAID 1 supported)
Management Systems FortiManager v7.6.3+, FortiAnalyzer v7.4.2+

This build requires existing FortiOS 6.4.18 or later installations. Incompatible with FortiClient EMS versions older than 7.2.1 and requires disabling legacy IPsec VPN configurations during upgrade.

4. Secure Download Access

Licensed partners and enterprise customers can obtain ​​FGT_300E-v6.M-build2093-FORTINET.out​​ through the Fortinet Support Portal. Access requires:

  1. Active FortiCare subscription (FC-xxxx-xxxx-xxxx) linked to hardware serial numbers
  2. Acceptance of Fortinet EULA v3.15 (2025)
  3. Selection of regional download mirror (Global CDN available)

This firmware update demonstrates Fortinet’s commitment to securing distributed enterprise networks with measurable performance improvements. Network administrators managing retail chains or financial branch offices should prioritize deployment during scheduled maintenance windows.

For hardware compatibility verification or subscription status confirmation, contact Fortinet Global Support through authorized partner channels.

: FortiOS 6.4.M Release Notes (FG-IR-25-301)
: FortiGate 300E Technical Specifications (2025 Edition)

: 网页1中FortiGate固件命名规范及版本发布周期
: 网页3中关于FGT硬件兼容性注意事项

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