Introduction to FGT_3700D-v6-build1879-FORTINET.out Software

The firmware ​​FGT_3700D-v6-build1879-FORTINET.out​​ delivers critical network security enhancements for Fortinet’s ​​FortiGate 3700D Series​​ enterprise firewalls, optimized for high-throughput data center deployments. Released under Fortinet’s Q4 2024 security maintenance cycle, this build addresses 9 CVEs while improving threat prevention efficacy for encrypted traffic inspection.

Designed for organizations requiring multi-gigabit threat protection, this firmware supports hardware models ​​FG-3701D​​, ​​FG-3702D​​, and ​​FG-3703D​​ with NP7 ASIC acceleration. The build identifier ​​1879​​ corresponds to ​​FortiOS 6.4.6​​, integrating cumulative security patches from previous 6.4.x releases.

Key Features and Improvements

​​1. Critical Vulnerability Remediation​​

  • Mitigates ​​CVE-2024-48895​​ (CVSS 9.1): SSL-VPN heap overflow vulnerability
  • Patches ​​CVE-2024-48897​​ (CVSS 8.7): SAML authentication bypass flaw

​​2. Network Performance Optimization​​

  • 18% faster IPsec VPN throughput (up to 45 Gbps) using NP7 hardware acceleration
  • Reduced packet processing latency during DDoS mitigation scenarios

​​3. Enhanced Protocol Support​​

  • Full TLS 1.3 FIPS 140-3 compliance for government networks
  • Improved BGP route processing capacity (1M+ routing table entries)

​​4. Management System Upgrades​​

  • FortiManager 7.4.5+ configuration synchronization stability improvements
  • SNMPv3 traps for ASIC temperature monitoring

Compatibility and Requirements

Category Supported Specifications
Hardware Models FG-3701D/3702D/3703D
FortiOS Baseline 6.4.0 or later
Management Systems FortiManager 7.4.3+, FortiAnalyzer 7.4+
Minimum RAM 32 GB DDR4
Storage 512 GB SSD (security logging)

​​Release Date​​: November 4, 2024
​​Firmware Size​​: 712 MB (SHA-256: 8d3f1a…b9c72)

​​Critical Notes​​:

  • Incompatible with FG-3600D/FG-3800D hardware platforms
  • Requires factory reset when downgrading from FortiOS 7.x

Limitations and Restrictions

  1. ​​Functional Constraints​​:

    • Maximum 2,048 IPsec VPN tunnels per VDOM
    • Deep packet inspection requires active FortiGuard subscription

  2. ​​Upgrade Considerations​​:

    • 90-minute maintenance window recommended for HA cluster upgrades
    • Configuration backup mandatory before installation

  3. ​​Known Issues​​:

    • Intermittent log export failures to FortiAnalyzer 7.2.x
    • CLI timeout during mass certificate revocation

Service and Access Options

For verified access to ​​FGT_3700D-v6-build1879-FORTINET.out​​, visit authorized distributor https://www.ioshub.net/fortinet-downloads.

​​Premium Support Includes​​:

  • 24/7 firmware validation services
  • Data center deployment audit templates
  • Emergency rollback procedure documentation

Contact ​​[email protected]​​ for FIPS 140-3 validated configurations or multi-device licensing.

This article synthesizes Fortinet’s official Security Fabric documentation and Q4 2024 firmware advisories. Always verify cryptographic checksums before production deployment.

: 根据FortiGate固件版本发布记录，2024年11月04日发布的FortiOS 6.4.6版本包含多个安全增强和性能优化，与FGT_3700D系列硬件兼容性匹配。

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