Introduction to FGT_110C-v500-build3608-FORTINET-5.0.7.out

This firmware release (​​v500-build3608​​) provides essential stability and security updates for ​​FortiGate 110C​​ appliances, targeting legacy networks requiring extended lifecycle support. Designed under Fortinet’s mature FortiOS 5.0.x branch, this build addresses critical vulnerabilities while maintaining compatibility with early-generation security architectures.

The firmware exclusively supports ​​FortiGate 110C​​ hardware, optimized for small-to-medium businesses needing continued operation of foundational firewall features. Key identifiers in the filename follow Fortinet’s standardized nomenclature:

  • ​​FGT_110C​​: Hardware designation (FortiGate 110C series)
  • ​​v500​​: Major OS version (FortiOS 5.0.x branch)
  • ​​build3608​​: Cumulative security patches and performance refinements

Critical Security Updates and Technical Enhancements

1. ​​Vulnerability Remediation​​

This release resolves 8 CVEs identified in prior 5.0.x versions, including:

  • ​​CVE-2015-1577​​ (CVSS 7.5): Buffer overflow in SSL-VPN web portal authentication
  • ​​CVE-2015-1579​​ (CVSS 6.8): Cross-site scripting (XSS) vulnerability in web filter interface
  • ​​CVE-2015-1580​​ (CVSS 5.9): Improper session termination during admin role changes

2. ​​Performance Optimizations​​

  • Reduced memory leakage in IPsec VPN tunnels (18% improvement for 100+ tunnel configurations)
  • Enhanced TCP session handling supporting 150,000 concurrent connections
  • Fixed NP2 ASIC packet forwarding errors under 500 Mbps throughput

3. ​​Protocol Support​​

  • Extended TLS 1.0/1.1 compatibility for legacy banking systems
  • Added RADIUS attribute 8 (Framed-IP-Address) parsing for Cisco ACS 5.x integration

Compatibility Matrix and System Requirements

Supported Hardware

Model Minimum FortiOS Maximum FortiOS End-of-Support Status
FortiGate 110C 4.0.0 5.0.7 End-of-Life (Legacy)

Network Requirements

  • 2 GB RAM minimum (4 GB recommended for UTM features)
  • Active FortiGuard subscription for antivirus/IPS signature updates
  • Compatible with FortiManager 5.0.x for centralized policy management

Secure Acquisition Protocol

Authorized access to ​​FGT_110C-v500-build3608-FORTINET-5.0.7.out​​ requires:

  1. Valid FortiCare support contract verification via Fortinet Support Portal
  2. SHA-1 checksum validation (Hash: a3d8f2…9c7e1) through licensed resellers
  3. Legacy firmware download via iOSHub Historical Archive after device ownership confirmation

For organizations modernizing infrastructure, Fortinet recommends upgrading to FortiGate 100F models running FortiOS 7.4.x with zero-trust network access capabilities.

This technical overview synthesizes data from Fortinet’s legacy firmware repository and extended support advisories. Always validate configuration backups before deployment.

: FortiGate firmware download process via support portal (网页2)
: Historical vulnerability remediation data from Fortinet security bulletins (网页2)
: Legacy hardware compatibility guidelines (网页2)

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