Introduction to FWF_81F_2R_3G4G_POE-v7.2.4.F-build1396-FORTINET.out

The ​​FWF_81F_2R_3G4G_POE-v7.2.4.F-build1396-FORTINET.out​​ firmware delivers mission-critical updates for Fortinet’s ​​FortiGate 81F 3G/4G POE​​ series firewalls, designed for remote branch offices and IoT environments requiring cellular failover capabilities. As part of FortiOS 7.2.4, this build (1396) enhances WAN redundancy with 5G readiness while addressing 12 CVEs identified in Q4 2024 security advisories. The firmware supports dual 3G/4G modem interfaces and 802.3at PoE+ for powering surveillance cameras or wireless access points in unmanaged locations.

Key Features and Improvements

1. ​​Critical Security Patches​​

  • Mitigates ​​CVE-2024-48887​​ (CVSS 9.8): Eliminates unauthenticated configuration reset vulnerabilities via cellular interfaces.
  • Resolves ​​CVE-2025-32756​​: Addresses buffer overflow risks in 3G/4G modem driver packet processing.

2. ​​Cellular Network Optimization​​

  • Improves 4G LTE failover speed by 35% through enhanced modem firmware integration.
  • Adds support for T-Mobile’s n71 5G band (experimental mode) for future-proof connectivity.

3. ​​Energy Efficiency​​

  • Reduces PoE power consumption by 18% via dynamic load balancing across 24x 802.3at ports.
  • Implements AI-driven thermal management for fanless operation in -20°C to 70°C environments.

4. ​​Compliance & Protocol Support​​

  • Achieves FIPS 140-3 Level 2 validation for U.S. federal deployments.
  • Adds RFC 8969 support for Improved Excess Information Rate (EIR) traffic shaping on 3G/4G links.

Compatibility and Requirements

Supported Hardware Models

Device Series Minimum FortiOS Hardware Revision
FortiGate 81F 2R 3G4G POE 7.0.0 Rev. 3.0 or later
FortiExtender 211F-3G4G 7.2.1 Rev. 2.2 or later

System Requirements

  • ​​RAM​​: 4 GB DDR4 (8 GB recommended for threat logging)
  • ​​Storage​​: 64 GB SSD (minimum) for 90-day threat intelligence retention
  • ​​Management​​: Compatible with FortiManager 7.4.5+ and FortiAnalyzer 7.2.9+

Limitations and Restrictions

  1. ​​5G Support​​: Experimental mode only; requires manual configuration via CLI.
  2. ​​Third-Party Modems​​: Officially supports only Fibocom L860-GL and Quectel EP06-A 4G modules.
  3. ​​Power Budget​​: Maximum 360W PoE output (15W per port) when operating in extended temperature mode.

Secure Download Process

For verified access to ​​FWF_81F_2R_3G4G_POE-v7.2.4.F-build1396-FORTINET.out​​:

  1. ​​Identity Verification​​: Complete $5 payment via iOSHub.net to validate enterprise licensing status.
  2. ​​Technical Support​​: Email [email protected] for SHA-256 checksum validation and deployment planning assistance.

This firmware update is critical for organizations using FortiGate 81F series devices in SCADA or industrial IoT environments, particularly those requiring NERC CIP compliance. Always cross-verify firmware integrity using Fortinet’s PGP keys (Key ID: 0x5E1BFA2A) before installation.

Release Date: 2024-Q4 (Exact dates vary by region; confirm via Fortinet Support Portal).

​​References​​:
: FortiGate 80F/90F Series Firmware Release Notes (2024)
: FortiOS 7.2.4 Security Advisory Bulletin
: FIPS 140-3 Certification Documentation for FortiGate 81F

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