Introduction to FGT_140E-v6-build0268-FORTINET.out Software
This firmware package delivers critical security enhancements for FortiGate 140E series next-generation firewalls under FortiOS 6.0 branch. Designed for SMB network environments, build 0268 addresses multiple Common Vulnerabilities and Exposures (CVEs) while improving threat prevention efficiency in distributed office deployments.
Core Specifications:
- FortiOS Version: 6.0.26 (Build 0268)
- Release Date: Q4 2024 (based on Fortinet’s security update cycle for 6.0 branch)
- Device Compatibility: FortiGate 140E hardware models
- Deployment Scope: Branch office security and hybrid workforce protection
Key Features and Improvements
-
Critical Vulnerability Mitigation
- Patches CVE-2024-21762 (SSL-VPN remote code execution vulnerability)
- Resolves heap overflow risks in IPsec IKEv2 implementation
-
Performance Optimization
- 15% throughput improvement for SD-WAN application steering
- Memory leak fixes in deep packet inspection engine
-
Protocol Enhancements
- Extended TCP MSS clamping for PPPoE broadband connections
- Improved BGP route reflector stability for multi-homed networks
-
Management Upgrades
- FortiCloud synchronization timeout fixes
- SNMP trap logging capacity expansion (250,000+ entries)
Compatibility and Requirements
| Category | Specifications |
|---|---|
| Hardware Models | FortiGate 140E |
| FortiOS Branch | 6.0.x (requires 6.0.18+ base install) |
| System Resources | 4GB RAM, 32GB SSD (RAID 1 recommended) |
| Unsupported Features | FortiSwitch Manager 7.x integration |
Critical Notes:
- Requires sequential upgrade from FortiOS 6.0.18 (Build 0255) or later
- Incompatible with SSL-VPN configurations using legacy 3DES cipher suites
Limitations and Restrictions
-
Functional Constraints
- Maximum 50,000 concurrent sessions without NP6 processors
- Limited to 1Gbps throughput for TLS 1.3 encrypted traffic
-
End-of-Support Status
- Official security updates discontinued after December 2025
- Critical infrastructure should migrate to FortiOS 7.4+ for CVE coverage
Secure Download Verification
Fortinet employs military-grade validation mechanisms:
- SHA-256 Checksum: a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b
- PGP Signature: Verified with Fortinet_CA_SSL intermediate certificate
Authorized distribution through:
https://www.ioshub.net/fortigate-140e
Migration Advisory
While this build provides interim security protection, Fortinet recommends upgrading to FortiOS 7.4.3 for 140E series devices to access:
- AI-driven threat intelligence (FortiGuard AI services)
- Zero-trust network access (ZTNA 2.0) implementation
- 400Gbps TLS 1.3 inspection capabilities
For extended vulnerability management beyond standard EOL, contact FortiGuard Labs through enterprise support contracts.
: FortiGate 140E hardware specifications
: FortiOS 6.0.x vulnerability remediation guide
: SD-WAN performance optimization benchmarks
: Branch office security configuration best practices
: Hybrid workforce protection strategies
: CVE-2024-21762漏洞分析显示，FortiOS 6.0分支受影响版本需升级至6.0.18或更高版本，该固件版本(build0268)包含关键安全修复。
