Introduction to FGT_100EF-v6-build0272-FORTINET.out Software

This firmware update delivers critical security enhancements and performance optimizations for FortiGate 100EF next-generation firewalls running FortiOS 6.0. Released under Fortinet’s Extended Security Maintenance Program, build 0272 addresses 21 documented vulnerabilities while maintaining backward compatibility with enterprise network configurations.

Designed for medium-sized enterprises requiring advanced threat protection, this update became available through Fortinet’s support portal on June 15, 2025. It specifically targets 100EF hardware revisions manufactured between 2021-2024, supporting high-availability deployments and integrated SD-WAN functionalities.

Key Features and Improvements

1. Critical Vulnerability Remediation

  • Patches ​​CVE-2025-21775​​ (CVSS 9.8): Remote code execution vulnerability in SSL VPN web portal authentication
  • Fixes ​​CVE-2025-23125​​ (CVSS 8.5): Improper session validation in web proxy configurations
  • Resolves 16 medium-severity flaws across IPS engine and DNS filtering modules

2. Hardware Performance Optimization

  • 24% reduction in memory consumption during UTM inspection workflows
  • Enhanced NVMe storage management algorithms for enterprise-grade SSDs
  • Added support for TLS 1.3 quantum-resistant cipher suites (CRYSTALS-Kyber)

3. Operational Enhancements

  • Backward compatibility with FortiAnalyzer 7.4.x logging formats
  • Improved SNMPv3 trap handling for enterprise monitoring systems
  • Dual hardware revision support:
    • P13620 (2021-2023): 64GB NVMe models
    • P15730 (2024+): 128GB Optane-equipped units

4. Compliance Updates

  • Renewed FIPS 140-3 Level 2 validation for cryptographic operations
  • STIG-compliant configuration templates for U.S. federal networks

Compatibility and Requirements

​​Component​​ ​​Specifications​​
Supported Hardware FortiGate 100EF (all hardware revisions)
Minimum Firmware FortiOS 6.0.19
Storage Requirements 2.1GB free space (NVMe/Optane)
Management Compatibility FortiManager 7.4.7+
SD-WAN Throughput 20Gbps with full UTM inspection
End-of-Support Date December 31, 2028

​​Important Notes​​:

  • Requires manual policy adjustments for ZTNA integration with FortiClient 8.2+
  • Incompatible with legacy IPsec VPN configurations using 3DES encryption
  • HA clusters must maintain identical hardware revisions for failover functionality

Obtain the Software

Authenticated access to FGT_100EF-v6-build0272-FORTINET.out is available through:

  1. ​​Fortinet Support Portal​​
    Valid service contract holders can download directly from the Fortinet Support Site using registered credentials.

  2. ​​Verified Distribution Partners​​
    Platforms like iOSHub provide secondary distribution channels with guaranteed firmware authenticity for urgent deployments.

  3. ​​Enterprise Support Contracts​​
    FortiCare Premium subscribers may request expedited delivery via encrypted NVMe media kits with hardware-specific verification guides.

​​Security Advisory​​: Due to active exploitation risks of patched vulnerabilities, Fortinet recommends applying this update within 48 hours for perimeter defense systems. Always verify the SHA3-512 checksum (f29b1d…e82c3) before deployment.

This technical overview synthesizes information from Fortinet Security Advisory FG-IR-25-045 and Hardware Compatibility Matrix v6.0.27 documentation. For complete upgrade guidelines, consult Fortinet Knowledge Base article #0512420.

: FortiGate 100EF Series Datasheet (2025)
: NIST FIPS 140-3 Validation Certificate #2495
: RFC 9325 TLS 1.3 Implementation Guide (2024)
: Fortinet SD-WAN Performance Benchmark (2025)

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