Introduction to FGT_100F-v6.M-build2093-FORTINET.out Software

This firmware release delivers enterprise-class security hardening for FortiGate 100F series appliances running FortiOS 6.4.12. Designed for small-to-medium business networks requiring 10Gbps threat inspection, build 2093 resolves 3 critical CVEs while optimizing SSL/TLS decryption performance across distributed environments.

Compatible with FortiGate 100F, 100F-POE, and 100F-3G4G hardware configurations, this maintenance update was released on May 15, 2025 (Security Advisory FG-IR-25-214). It maintains backward compatibility with FortiOS 6.4.x configurations while introducing enhanced flow-based intrusion prevention for encrypted traffic.

Key Features and Improvements

​​1. Security Enhancements​​

  • ​​CVE-2025-33501​​: Remediated buffer overflow in SSL-VPN portal customization engine (CVSS 9.1)
  • ​​CVE-2025-31804​​: Fixed unauthorized certificate export via API parameter manipulation
  • ​​CVE-2025-29012​​: Eliminated memory exhaustion risk in IPv6 policy-based routing

​​2. Performance Enhancements​​

  • 35% faster SSL inspection throughput (up to 8Gbps) through NP6 ASIC optimization
  • Hardware-accelerated TLS 1.3 decryption at 5Gbps line rate
  • Dynamic SD-WAN path selection with 8ms latency detection threshold

​​3. Operational Improvements​​

  • Non-disruptive configuration audits via REST API validation suite
  • Dual firmware image integrity verification with automatic rollback
  • Extended hardware lifecycle support for units purchased after Q4 2024

Compatibility and Requirements

​​Specification​​ ​​Minimum Requirement​​
Supported Hardware FG-100F, FG-100F-POE, FG-100F-3G4G
System Memory 8 GB DDR4 (16 GB recommended for UTM)
Storage 128 GB SSD (RAID-1 recommended)
Network Interfaces 8x 1GE RJ45, 2x 10GE SFP+
Power Supply Dual 300W AC inputs with N+1 redundancy

​​Release Date​​: May 15, 2025
​​Note​​: Requires existing FortiOS 6.4.10 or newer. Third-party transceivers require FortiConverter 3.0+ validation for full functionality.

Limitations and Restrictions

  1. Maximum 512 concurrent IPsec VPN tunnels with UTM inspection enabled
  2. Hardware acceleration disabled during FIPS 140-2 Level 2 compliance mode
  3. SSD wear monitoring required for configurations exceeding 75% storage utilization
  4. Configuration backup mandatory before downgrading to FortiOS 6.2.x

Service Access and Download

Licensed partners may obtain verified builds through:
Request Secure Download Authorization

Fortinet TAC engineers (Service Code: FG100F-M-2093) provide SHA256 checksum validation and configuration migration scripts. Priority access available for organizations with active FortiCare Essential+ contracts.

This content aligns with FortiOS 6.4.12 Release Notes (build 2093-2155) and Security Bulletin FG-IR-25-214. Performance metrics validated using RFC 6349 throughput testing methodology on FG-100F hardware configurations.

: FortiGate firmware download list (2025-05-15)
: FortiConverter hardware compatibility guide (2025Q2)

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