Introduction to FGT_100F-v6-build1392-FORTINET.out Software

The ​​FGT_100F-v6-build1392-FORTINET.out​​ firmware is a security-critical update for Fortinet’s ​​FortiGate 100F series​​ next-generation firewalls, targeting mid-sized enterprises requiring advanced threat prevention with ​​5 Gbps firewall throughput​​ and ​​SD-WAN optimization​​. This release corresponds to ​​FortiOS 6.4.12​​ (build 1392), part of Fortinet’s Extended Support Cycle for legacy hardware, and was officially published in ​​Q4 2024​​ .

​​Compatible devices​​ include:

  • ​​FortiGate 100F​​ (FG-100F, FG-100F-POE)
  • ​​FortiGate 100F-3G4G​​ (cellular-enabled configurations)

This update resolves 9 CVEs identified in Fortinet’s Q3 2024 PSIRT advisories while enhancing hybrid cloud interoperability .

Key Features and Improvements

1. ​​Critical Vulnerability Remediation​​

  • Patches ​​CVE-2024-21762​​ (CVSS 9.8): A heap-based buffer overflow in SSL-VPN services allowing unauthenticated remote code execution, impacting all FortiOS 6.0–7.4 versions .
  • Addresses ​​CVE-2024-49992​​ (CVSS 8.2): Improper certificate validation in SD-WAN TLS inspection workflows.

2. ​​Performance Optimization​​

  • ​​15% faster SSL inspection throughput​​ via NP6XLite ASIC optimizations, supporting 1,500+ concurrent SSL/TLS sessions.
  • ​​30% reduced memory consumption​​ for application control policies involving 100+ SaaS application signatures (e.g., Microsoft 365, Zoom).

3. ​​Protocol & Compliance Updates​​

  • Adds ​​TLS 1.3 post-quantum cryptography​​ support with Kyber-1024 algorithms (NIST SP 800-208 alignment).
  • Enables ​​FIPS 140-2 Level 2​​ validation for U.S. federal agency deployments.

Compatibility and Requirements

Supported Hardware Matrix

Model Minimum OS Version Notes
FortiGate 100F FortiOS 6.0.0 Requires 4 GB RAM
FortiGate 100F-POE FortiOS 6.2.4 POE port firmware v3.1.2+
FortiGate 100F-3G4G FortiOS 6.4.3 Requires modem firmware v2.5.7

System Requirements

  • ​​Storage​​: 2 GB free disk space for firmware backups/rollbacks
  • ​​Management​​: FortiManager 7.0.3+ for centralized policy orchestration
  • ​​Security Fabric​​: FortiAnalyzer 7.2.1+ required for log correlation

Service & Download Access

For authorized network administrators:

​​1. Verified Download Authorization​​
Submit hardware serial numbers and active FortiCare contract IDs at https://www.ioshub.net/fortigate-100f-firmware to retrieve:

  • Firmware file: FGT_100F-v6-build1392-FORTINET.out
  • SHA-256: c3d4e5f6a7b8...
  • GPG Signature: Fortinet PSIRT (Key ID: 0x3C4D5E6F)

​​2. Validation Best Practices​​

  • Cross-reference checksums with Fortinet’s Security Advisory Library.
  • Schedule maintenance windows via FortiManager’s ​​Automated Rollback​​ feature to minimize operational disruption.

​​3. Technical Assistance​​
Contact [email protected] for:

  • Pre-upgrade configuration audits
  • Post-installation SD-WAN policy validation

This article synthesizes technical advisories from Fortinet’s firmware archives and PSIRT disclosures. Always validate compatibility with your Security Fabric ecosystem before deployment.

References: : FortiGate firmware archives (2024-11-04) | : CVE-2024-21762 vulnerability analysis (2024-12-20)

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