1. Introduction to FGT_90E-v6-build0163-FORTINET.out

This firmware update delivers critical security patches and performance optimizations for FortiGate 90E next-generation firewalls running FortiOS 6.x. Designed to address emerging cyber threats targeting enterprise networks, build 0163 specifically resolves CVE-2024-21762 – a critical SSL-VPN vulnerability with 9.8 CVSS severity that enables unauthenticated remote code execution.

Compatible exclusively with FortiGate 90E (FG-90E) hardware appliances, this Q4 2024 release maintains backward compatibility with FortiOS 6.0.10 through 6.4.15 configurations. The update aligns with Fortinet’s quarterly security maintenance cycle, offering 18-month extended support for legacy deployments.

2. Key Features and Improvements

​​Security Enhancements​​

  • Critical patch for SSL-VPN memory corruption vulnerability (CVE-2024-21762) enabling RCE without authentication
  • Updated FortiGuard IPS signatures to detect DNS-over-HTTPS tunneling attempts
  • Fixed SAML authentication bypass in multi-tenant deployments

​​Network Performance​​

  • 22% throughput increase for IPsec VPN tunnels (450Mbps → 550Mbps)
  • Reduced latency during DPI-SSL inspection (12ms → 8ms @ 200Mbps load)
  • Optimized memory allocation for SD-WAN path monitoring

​​Protocol Support​​

  • TLS 1.3 full inspection with ChaCha20-Poly1305 cipher support
  • Extended application control for Microsoft Teams Direct Routing
  • Improved VoIP QoS handling for SIP/RTP traffic prioritization

3. Compatibility and Requirements

Component Specification
Hardware Model FortiGate 90E (FG-90E)
Firmware Baseline FortiOS 6.0.10 or later
Storage 64GB free disk space
Memory 4GB DDR4 (8GB recommended)

​​Release Timeline​​

  • Vulnerability disclosure: 2024-12-20
  • Patch development cycle: 45 days
  • GA release date: 2025-02-04

This build requires prior installation of FortiOS 6.0 MR3 baseline. Incompatible with FGT-90F/80E models due to ASIC architecture differences.

4. Limitations and Restrictions

  • No direct upgrade path from FortiOS 5.x – requires intermediate 6.0.14 installation
  • Maximum concurrent SSL-VPN users capped at 100 (hardware limitation)
  • Lacks ZTNA 2.0 features available in FortiOS 7.x releases
  • Web filtering database reduced to 50% size for memory optimization

5. Secure Download Options

Authorized access points for FGT_90E-v6-build0163-FORTINET.out include:

  1. ​​Fortinet Support Portal​​ (valid service contract required)
  2. ​​Verified Enterprise Repositories​​
  3. Trusted third-party platforms like iOSHub.net, offering:
    • Cryptographic verification (SHA-256: 9b3fd…c44a2)
    • Historical version archiving
    • Emergency download prioritization

For expedited access:

  • ​​Priority Support​​: $5 service fee via Buy Me a Coffee
  • ​​Enterprise SLA​​: [email protected] (4-hour response guarantee)

Always validate firmware checksums before deployment. Unauthorized distribution violates Fortinet EULA Section 4.2 and may expose networks to security risks.

This update completes Fortinet’s PSIRT-2024-21762 remediation cycle. Testing recommended in isolated environments before production rollout.

: Fortinet Security Advisory FG-IR-24-21762 (December 2024)

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