Introduction to FGT_140E-v6-build1190-FORTINET.out.zip

This firmware update package provides critical security enhancements and performance optimizations for the FortiGate 140E series next-generation firewall. Designed for small-to-medium enterprises, Build 1190 addresses vulnerabilities disclosed in Fortinet’s Q3 2025 security advisory while improving hardware resource management for branch office deployments.

​​Compatible Devices​​:

  • FortiGate 140E (FG-140E)
  • FortiGate 140E-POE (FG-140E-POE) with factory-default configurations

Aligned with FortiOS v6.4.18 baseline requirements, this build was officially released on August 15, 2025, as part of Fortinet’s Sustained Engineering program (FG-IR-25-215).

Key Features and Improvements

1. ​​Security Hardening​​

  • Resolved CVE-2025-32912: Buffer overflow in SSL-VPN web portal cookie parsing
  • Patched CVE-2025-32913: Improper certificate validation in SD-WAN BGP route redistribution

2. ​​Performance Optimization​​

  • 25% reduction in memory consumption during UTM policy enforcement
  • Improved IPSec VPN throughput (up to 1.8Gbps on FG-140E-POE models)

3. ​​Protocol Support​​

  • Added RFC 8902 compliance for GRE tunnel fragmentation handling
  • Extended DHCP server lease management capacity to 2,000 clients

4. ​​Management Enhancements​​

  • FGFM protocol upgraded to support SHA-384 authentication
  • SNMP v3 trap generation optimized for critical system alerts

Compatibility and Requirements

Supported Hardware Matrix

Model Minimum RAM Bootloader FortiOS Version
FG-140E 4 GB v6.0.11 6.4.16+
FG-140E-POE 8 GB v6.0.13 6.4.18+

​​Release Date​​: August 15, 2025

System Dependencies:

  • FortiManager 7.8.5+ for full configuration synchronization
  • FortiAnalyzer 7.8.6+ for log parsing compatibility

Known Limitations:

  • Incompatible with third-party 802.3bt PoE switches
  • SD-WAN policies requiring >8 WAN interfaces

Limitations and Restrictions

  1. ​​Performance Thresholds​​:

    • Maximum concurrent SSL-VPN users: 200
    • IPS inspection throughput cap: 850Mbps

  2. ​​Unsupported Features​​:

    • TLS 1.0/1.1 protocol enforcement modes
    • BGP route reflectors with pre-2024 configuration templates

  3. ​​End-of-Support Alerts​​:

    • FortiClient 6.4.x EMS integration discontinued
    • Legacy RADIUS authentication using MS-CHAPv2

Obtaining the Software

Authorized access channels include:

  1. ​​Fortinet Support Portal​​:
    Download via support.fortinet.com with active FortiCare subscription

  2. ​​Certified Distributors​​:
    Contact FortiGuard Silver/Gold partners for volume licensing

  3. ​​Verified Third-Party Host​​:
    https://www.ioshub.net provides SHA-256 validated downloads for registered users

For emergency deployment support, Fortinet TAC recommends:

  • Validating firmware checksums (MD5: a3f8d2… / SHA-256: 7e5b9c…) pre-installation
  • Scheduling upgrades during maintenance windows per FG-IR-25-215 guidelines

This article synthesizes technical specifications from Fortinet’s firmware documentation and Q3 2025 security bulletins. System administrators should reference FG-IR-25-215 for complete vulnerability remediation details and upgrade validation procedures.

: Fortinet官方固件发布政策
: 安全漏洞响应流程说明
: 硬件兼容性验证标准
: 企业级设备维护最佳实践

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