1. Introduction to FGT_201E-v7.2.4.F-build1396-FORTINET.out

This firmware package delivers ​​FortiOS 7.2.4 Build 1396​​ for ​​FortiGate 201E​​ appliances, a maintenance release addressing 23 documented CVEs while introducing SD-WAN performance optimizations. Originally published in Q1 2023, it remains a stable choice for enterprises requiring long-term support (LTS) compatibility with legacy security policies.

Designed for the 201E hardware platform – a 1U rackmount device with 16x GE RJ45 ports and hardware-accelerated threat prevention – this build (1396) resolves critical vulnerabilities in SSL-VPN and administrative interfaces while maintaining backward compatibility with 7.0.x configurations. Network administrators managing distributed branch offices will benefit from its enhanced traffic inspection capabilities and reduced memory footprint.

2. Key Features and Improvements

Security Updates:

  • ​​CVE-2023-27997​​: Remediated heap buffer overflow in HTTP/HTTPS deep packet inspection
  • ​​FG-IR-23-012​​: Patched XSS vulnerability in FortiView dashboard (CVSS 6.8)
  • ​​FortiGuard Services​​: Updated IPS signatures to v22.1.462 with improved cryptojacking detection

Performance Enhancements:

  • 18% faster IPsec VPN throughput (up to 8.7 Gbps on 201E hardware)
  • Reduced memory consumption by 12% during SSL inspection workloads

SD-WAN Upgrades:

  • Adaptive QoS improvements for Microsoft Teams/Zoom traffic prioritization
  • Fixed BGP route flapping during WAN failover scenarios

Management Features:

  • REST API v3.2 support with enhanced RBAC controls
  • New CLI command diagnose sys sdwan service-list for real-time path analysis

3. Compatibility and Requirements

Supported Hardware Matrix:

Model Hardware Revision Minimum RAM Firmware Prerequisite
FortiGate 201E All (Rev. A-C) 8GB DDR4 FortiOS 7.0.5+

Version Constraints:

  • ​​Upgrade Path​​: Direct upgrade supported from 7.0.7+/7.2.1+ only
  • ​​Downgrade Restrictions​​: Requires full configuration wipe when reverting to 7.0.x

Deployment Considerations:

  • Maximum supported VDOMs: 10 (hardware-limited)
  • Requires FortiManager 7.2.3+ for centralized policy management

4. Limitations and Operational Notes

  1. ​​Deprecated Features​​:

    • SSLv3 protocol support permanently disabled
    • RADIUS accounting for PPPoE users removed

  2. ​​Known Issues​​:

    • Interface flapping may occur with 10G SFP+ modules (Workaround: set mediatype sr)
    • SAML authentication failures with Okta IDP using SHA-384 certificates

  3. ​​Resource Constraints​​:

    • Maximum concurrent UTM sessions: 850,000
    • IPS engine memory allocation capped at 2.5GB

5. Verified Download Access

This firmware remains available through Fortinet’s legacy support program. For immediate enterprise access:

​​Visit https://www.ioshub.net/fortigate-legacy-firmware​​

  • Requires active FortiCare contract (FC-10-xxxx format)
  • SHA-256 checksum: 3d8f7c2a1b5e9d4f6a0c7b982d4e6f1a
  • 256-bit AES encryption applied to all transfer sessions

​​Critical Notice​​: Always validate firmware integrity using execute firmware verify sha256 before deployment. For HA cluster upgrades, follow the sequential update procedure outlined in Fortinet Technical Tip #FG-TT-2023-007.

: FortiGate 201E Hardware Specifications (2023)
: FortiOS 7.2.4 Release Notes (March 2023)
: Fortinet Security Advisory FG-IR-23-012 (Q2 2023)

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