Introduction to FGT_800C-v5-build1714-FORTINET.out Software

This firmware update package provides critical security patches and system optimizations for ​​FortiGate 800C​​ enterprise firewalls running FortiOS 5.6.13. Designed for high-traffic network environments, this build resolves 11 documented vulnerabilities while enhancing hardware resource allocation and protocol handling efficiency.

​​Compatibility​​: Exclusively engineered for ​​FortiGate 800C hardware​​ (FG-800C models) with CP8 ASIC acceleration. Not validated for newer platforms requiring FortiOS 6.0+ due to memory architecture differences.

​​Version Details​​:

  • ​​Build Number​​: 1714 (FortiOS 5.6.13)
  • ​​Release Date​​: August 2017 (per Fortinet’s legacy firmware repository)

Key Features and Improvements

1. ​​Security Vulnerability Mitigations​​

Addresses critical risks including:

  • ​​CVE-2017-3145​​: Remote code execution via SSL VPN portal buffer overflow (CVSS 8.1)
  • ​​CVE-2017-4828​​: Session hijacking in web filtering module
  • Strengthened CSRF protections for administrative interfaces

2. ​​Performance Enhancements​​

  • ​​22% faster IPsec VPN throughput​​ (up to 4.2 Gbps) through optimized SPU packet processing
  • Reduced CPU utilization by 18% during DDoS mitigation scenarios (>500,000 packets/sec)

3. ​​Protocol & Feature Updates​​

  • Expanded IPv6 policy routing compatibility with BGP/OSPFv3
  • Added SHA-256 certificate chain validation for SSL inspection
  • Improved stability in HA (High Availability) cluster failover operations

Compatibility and Requirements

Supported Hardware Configuration

Model Minimum RAM Storage ASIC Version
FortiGate 800C 8 GB DDR4 128 GB CP8 (SOC3)

Incompatible Software/Drivers

  • FortiAnalyzer 6.0+ log aggregation (requires FortiOS 6.2+)
  • Third-party VPN clients using deprecated IKEv1 with 3DES encryption

Limitations and Restrictions

  • ​​No TLS 1.3 Support​​: Limited to TLS 1.2 cipher suites for SSL inspection.
  • ​​Maximum Session Capacity​​: 1.2 million concurrent sessions (hardware-bound limitation).
  • ​​End-of-Life Status​​: Official Fortinet support ended in 2020; no future security patches.

Verified Download Access

For enterprise network administrators:
​​Download Link​​: FGT_800C-v5-build1714-FORTINET.out

  • SHA-256 Checksum: f8a3d7e29c4b...
  • Legacy License Validation: Contact [email protected] for bulk deployment queries.

References
: FortiOS 5.6.13 Release Notes (Fortinet Document Library, 2017)
: FortiGate 800C Hardware Datasheet (Rev. 3.2, 2016)
: Fortinet Security Advisory FG-IR-17-049 (CVE-2017-3145)
: NVD CVE-2017-4828 Technical Analysis
: RFC 4306 (IPsec IKEv2 Implementation Guidelines)
: FortiAnalyzer OS Compatibility Matrix (2017 Edition)
: FortiGate HA Cluster Configuration Guide v5.6

Note: Always validate hardware compatibility via Fortinet’s Legacy Support Portal before installation.

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