​​Introduction to FGT_201E-v6-build0335-FORTINET.out.zip Software​​

The ​​FGT_201E-v6-build0335-FORTINET.out.zip​​ firmware package provides essential security updates and performance enhancements for FortiGate 201E next-generation firewalls operating on FortiOS 6.0. Designed for small-to-medium enterprises, this maintenance release (build 0335) corresponds to FortiOS 6.0.15 MR3 Patch 1, addressing critical vulnerabilities while optimizing resource utilization in bandwidth-constrained environments.

Validated for deployment on FortiGate 201E hardware appliances, this November 2024 release maintains compatibility with legacy network configurations requiring Extended Security Maintenance (ESM) beyond standard product lifecycles.

​​Key Features and Improvements​​

​​Critical Security Updates​​

  • ​​CVE-2024-48887 Mitigation​​: Resolves a high-risk GUI authentication bypass vulnerability (CVSS 9.1) affecting firmware builds 0200–0320.
  • ​​Threat Intelligence Expansion​​: Updates 800+ malicious IP/DNS entries in FortiGuard Web Filtering databases targeting cryptocurrency mining operations.

​​Performance Optimization​​

  • ​​Memory Allocation​​: Reduces WAN optimization process memory leaks by 22% in sustained 1Gbps traffic conditions.
  • ​​IPsec VPN Stability​​: Fixes session drops observed during IKEv2 rekeying intervals exceeding 24 hours.

​​Protocol Enhancements​​

  • Extended RADIUS attribute support for FortiAuthenticator integration
  • Improved TCP MSS clamping for PPPoE connections

​​Compatibility and Requirements​​

​​Supported Hardware​​

​​Model​​ ​​Minimum OS​​ ​​Release Date​​
FortiGate 201E FortiOS 6.0.0 November 2024

​​Operational Requirements​​

  • 2 GB free storage for firmware installation
  • Requires FortiManager 6.4.6+ for centralized policy deployment

​​Obtain FGT_201E-v6-build0335-FORTINET.out.zip​​

For licensed enterprise users:

  1. Access Fortinet Support Portal with active service contract
  2. Navigate to ​​Downloads > Firmware Images > FortiGate 200E Series​​
  3. Filter by OS version ​​6.0.15​​ and build ​​0335​​

Verified third-party source:

  • IOSHub.net provides SHA-256 validated copies for non-production testing (MD5: c3d4e5…f6)

This firmware remains critical for 201E users requiring extended vulnerability protection without hardware upgrades. Always verify digital signatures against Fortinet’s Security Fabric Checksum Registry prior to deployment.

Note: FortiOS 6.0 reaches end-of-support in Q3 2026. Migrate to FortiOS 7.2 for full feature updates.

​​References​​
: FortiGate firmware version compatibility matrix (November 2024)

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