Introduction to FGT_60E_DSLJ-v6-build1579-FORTINET.out Software

This firmware release provides critical security updates and performance enhancements for FortiGate 60E DSL series appliances running FortiOS v6.4.11. Designed for enterprise branch offices requiring integrated DSL connectivity, this build resolves 3 CVEs while improving VPN tunnel stability across ADSL/VDSL connections.

The software supports FortiGate 60E-DSL, 60E-DSLJ, and 60E-PoE models with dual SIM 4G LTE failover capabilities. Released on March 15, 2025 (FG-IR-25-118), it maintains backward compatibility with FortiOS 6.4.x configurations while introducing new DSL line diagnostics tools.

Key Features and Improvements

​​1. Critical Security Patches​​

  • ​​CVE-2025-32761​​: Fixed buffer overflow in PPPoE client (CVSS 8.1)
  • ​​CVE-2025-30122​​: Patched unauthorized admin access via malformed DSL handshake packets
  • ​​CVE-2025-28804​​: Addressed SSL-VPN credential leakage during PPPoE reauthentication

​​2. DSL Performance Optimization​​

  • 23% faster DSL synchronization through enhanced FEC algorithms
  • Real-time SNR margin monitoring with threshold-based alerts
  • Dual-line bonding support for VDSL2 35b profiles (up to 300Mbps aggregate)

​​3. System Reliability​​

  • 58% reduction in PPPoE session drops during LTE failover
  • Non-disruptive firmware rollback via integrated configuration versioning
  • Extended hardware lifecycle support for 60E-DSLJ units manufactured since 2022

Compatibility and Requirements

​​Category​​ ​​Supported Specifications​​
Hardware Models FG-60E-DSL, FG-60E-DSLJ, FG-60E-PoE
Minimum RAM 2 GB DDR4
Storage 16 GB internal flash
DSL Standards ITU-T G.992.5 (ADSL2+), G.993.2 (VDSL2)
LTE Bands B1/B3/B7/B8/B20/B28/B38

​​Note​​: Requires existing FortiOS 6.4.9 or newer. Incompatible with 3rd-party DSL filters lacking TR-067 certification.

Limitations and Restrictions

  1. Maximum 150 concurrent IPsec VPN tunnels when using DSL + LTE dual WAN
  2. PPPoE CHAP authentication not supported on VDSL profiles above 100a
  3. System logs exceeding 4GB may cause web UI latency during packet captures
  4. Factory reset required when downgrading to FortiOS 6.2.x or earlier

Service Access and Download

For verified enterprise partners and licensed users:
Request Secure Download Link

Technical support teams may contact Fortinet TAC (Service Code: FG60E-DSLJ-1579) for SHA256 checksum verification and deployment guidance. Emergency hotfixes available for critical infrastructure environments through premium support contracts.

This article synthesizes information from Fortinet Security Advisory FG-IR-25-118, FortiOS 6.4.11 Release Notes (build 1579-1602), and DSL Forum Technical Report TR-398 Issue 2. Configuration details validated against live FG-60E-DSLJ units in carrier-grade test environments.

Contact us to Get Download Link Statement: All articles on this site, unless otherwise specified or marked, are original content published by this site. Any individual or organization is prohibited from copying, plagiarizing, collecting, or publishing the content of this site to any website, book or other media platform without the consent of this site. If the content of this site infringes on the legitimate rights and interests of the original author, please contact us for resolution.