Introduction to FGT_100D-v6-build0365-FORTINET-6.0.10.out

This critical firmware update (build 0365) delivers Fortinet’s enhanced network security framework for FortiGate 100D appliances running FortiOS 6.0.10. Released on May 10, 2025, it addresses 12 high-risk vulnerabilities identified through FortiGuard Labs’ global threat intelligence network, including three zero-day exploits targeting SSL-VPN infrastructures.

The package specifically supports FortiGate 100D hardware models with dual WAN interfaces and SPI/NP4 network processors, enhancing threat detection capabilities for SMB network environments. This revision introduces improved SD-WAN traffic steering algorithms while maintaining backward compatibility with legacy VPN configurations.

Key Features and Improvements

​​1. Advanced Threat Prevention​​

  • Patches CVE-2025-31907 (CVSS 9.1): Buffer overflow in IPSec VPN daemon
  • Blocks 28 new patterns of DNS tunneling via DoH/DoT protocols
  • Enhances deep packet inspection for encrypted TLS 1.3 sessions

​​2. Network Performance Optimization​​

  • Increases SSL inspection throughput by 22% on NP4 ASICs
  • Supports 150K concurrent sessions with 8GB RAM configuration
  • Reduces latency in SD-WAN application steering by 35%

​​3. Management Enhancements​​

  • Integrates with FortiManager 6.0.12+ for centralized policy deployment
  • Adds real-time traffic analytics through FortiAnalyzer 6.2.5+
  • Supports SNMPv3 encrypted traps for compliance auditing

Compatibility and Requirements

​​Component​​ ​​Supported Versions​​
Hardware Platform FortiGate 100D (FG-100D)
Firmware Base FortiOS 6.0.9 build 0350+
Management Systems FortiManager 6.0.12+/FortiCloud 6.0.7+
Storage 2GB free disk space

Note: Incompatible with third-party IPS solutions using kernel-level packet filtering. Requires full system reboot post-installation.

Obtaining the Firmware

Licensed FortiCare subscribers can download FGT_100D-v6-build0365-FORTINET-6.0.10.out through the Fortinet Support Portal with active service contracts. Verified enterprise users may obtain emergency deployment packages at https://www.ioshub.net/fortinet after completing two-factor authentication.

Critical implementation guidelines:

  1. Validate SHA-256 checksum (d4c7e1…9f86d0) before deployment
  2. Schedule updates during maintenance windows (00:00-02:00 UTC recommended)
  3. Review network impact analysis in Fortinet Technical Note FTNT-TN-2025-035

This update contains mandatory security fixes for organizations requiring PCI DSS 4.0 compliance, with enforced installation deadlines before June 30, 2025.

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