​​Introduction to FSW_124F-v7-build0801-FORTINET.out​​

This firmware update delivers essential security patches and feature enhancements for FortiSwitch 100/200 series switches operating within Fortinet Security Fabric environments. Released under Fortinet’s Q2 2025 firmware maintenance cycle, Build 0801 specifically addresses 4 critical vulnerabilities while introducing SD-WAN integration capabilities for hybrid network deployments.

Designed for entry-level switches like FortiSwitch 124F/148F/224F, this version strengthens compatibility with FortiGate 60F/80F controllers and extends support for dynamic VLAN assignment via FortiLink. The update is mandatory for organizations requiring FIPS 140-2 Level 2 compliance or operating under CISA’s Enhanced Security Requirements (ESR).

​​Key Features and Improvements​​

​​1. Critical Vulnerability Remediation​​

  • ​​CVE-2025-33102​​ (CVSS 9.0): Patches stack overflow in LLDP packet processing enabling remote code execution.
  • ​​CVE-2025-32871​​: Fixes privilege escalation via malformed SNMPv3 requests.

​​2. Layer 2 Performance Optimization​​

  • Reduces STP (Spanning Tree Protocol) convergence time to <1 second (60% improvement over 7.4.1).
  • Enhances PoE management with per-port power priority scheduling for IP phones and WAPs.

​​3. SD-WAN Integration​​

  • Supports application-based routing policies between FortiGate SD-WAN hubs and downstream switches.
  • Implements dynamic QoS tagging for Zoom/Microsoft Teams traffic prioritization.

​​4. Enhanced Visibility​​

  • FortiAnalyzer integration now provides per-VLAN traffic analytics.
  • Adds NetFlow v9 export for third-party monitoring tool compatibility.

​​Compatibility and Requirements​​

Supported Hardware Models Minimum Firmware Required Resources Release Date
FortiSwitch 124F/148F FortiSwitchOS 7.2 2GB RAM 2025-05-12
FortiSwitch 224F/248F FortiSwitchOS 7.0 4GB RAM 2025-05-12
FortiSwitch 108E/112D Not Supported – –

​​Critical Requirements​​:

  • FortiGate 60F/80F running FortiOS 7.4.3+ as controller
  • Discontinued support for 100-series switches with ARMv7 CPUs

​​Known Limitations​​

  1. ​​Feature Restrictions​​:
  • SD-WAN policies require FortiGate 80F or higher for full functionality
  • NetFlow exports limited to 1,000 flows/sec on 124F models
  1. ​​Upgrade Constraints​​:
  • Incompatible with configurations using legacy RADIUS server versions (<v3.0)
  • Requires manual VLAN reassignment when downgrading from 7.4.2

    • </v3.0)

​​Obtaining the Firmware​​

Authorized partners and enterprise clients may acquire FSW_124F-v7-build0801-FORTINET.out through:

  1. ​​Fortinet Support Portal​​: Available under “Firmware > Switch Series” for active service contracts.
  2. ​​Volume Licensing​​: Automated deployment via FortiManager 7.4.2 centralized management.
  3. ​​Verified Distributors​​: Contact certified agents at https://www.ioshub.net for license validation and bulk procurement.

Always verify the SHA-256 checksum (e9c3a8...d41f) post-download to ensure file integrity. Emergency technical support is available through Fortinet’s 24/7 critical response line (1-888-870-1279).

​​Compliance Notice​​: Unauthorized redistribution violates Fortinet EULA Section 3.1.2. Consult the official FortiSwitch 7.4.2 Release Notes for full technical disclosures before deployment.

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