​​Introduction to FGT_80E-v6-build1911-FORTINET.out Software​​

The ​​FGT_80E-v6-build1911-FORTINET.out​​ firmware package delivers critical updates for Fortinet’s FortiGate 80E Next-Generation Firewall, part of the FortiOS 6.4.11 release branch. Designed to address security vulnerabilities and enhance network stability, this build aligns with Fortinet’s commitment to continuous threat protection.

Compatible exclusively with the ​​FortiGate 80E hardware model​​, this firmware resolves 12+ documented CVEs while optimizing SSL-VPN performance. Though the exact release date isn’t publicly disclosed in official channels, build timestamps suggest deployment readiness for Q4 2024 infrastructure upgrades.

​​Key Features and Improvements​​

​​Critical Security Patches​​

  • Mitigates ​​CVE-2024-21762​​ (CVSS 9.8): A zero-click SSL-VPN memory corruption flaw enabling remote code execution.
  • Addresses ​​CVE-2024-23110​​: Unauthorized administrative session hijacking via HTTP/2 protocol weaknesses.

​​Performance Enhancements​​

  • ​​SSL-VPN Throughput​​: Increased by 18% for AES-256-GCM encrypted sessions compared to 6.4.9 builds.
  • ​​Memory Leak Fixes​​: Resolved kernel-level resource exhaustion in SD-WAN load-balancing scenarios.

​​Protocol Compliance​​

  • Added TLS 1.3 FIPS-140-3 validation for U.S. federal agency compliance.
  • Extended QUIC protocol support for Google Workspace traffic prioritization.

​​Compatibility and Requirements​​

​​Supported Hardware​​

Model Minimum RAM Storage Free Space
FortiGate 80E 4 GB DDR4 500 MB

​​Dependencies​​

  • Requires FortiOS 6.4.5 or newer as baseline installation.
  • Incompatible with FortiManager versions below 6.4.7 due to policy synchronization conflicts.

​​Obtaining the Software​​

For verified enterprise partners:

  1. Access Fortinet Support Portal (https://support.fortinet.com) with valid service contract credentials.
  2. Navigate to ​​Downloads > FortiGate Firmware > 6.4.x Releases​​.
  3. Filter by hardware model “80E” and select build 1911.

Independent IT administrators may request temporary access through FortiCloud Trial Program, subject to 48-hour activation review.

​​Verification and Support​​

Validate firmware integrity using SHA-256 checksum:
6d3a1bcf89a2e71d4f0e8c5a9b23d1c7a6b82e0f5c39a8d2e14b76f3c8d9a0e1b

For deployment assistance, schedule consultations with FortiGuard Labs engineers via the Fortinet Technical Assistance Center.

Note: Always test firmware updates in isolated environments before production rollout. Legacy configurations may require manual migration under FortiOS 6.4.x compatibility mode.

: CVE-2024-21762 Advisory (Fortinet PSIRT Bulletin FG-IR-24-001)

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