Introduction to “Cisco_FTD_SSP_FP1K_Patch-6.4.0.9-62.sh.REL.tar” Software

This critical security patch package addresses multiple vulnerabilities in Cisco Firepower Threat Defense (FTD) software for FP1K series appliances. Designed for SSP (Secure Storage Platform) environments, the patch resolves 3 CVEs identified in Q2 2025 security advisories while maintaining operational continuity for threat prevention services.

Compatible with Firepower 2100/4100 series hardware running FTD 6.4.0 base images, this hotfix implements Cisco’s Zero-Day Response Protocol without requiring full system reboots. The maintenance release follows Cisco’s accelerated security update schedule for end-of-life hardware platforms nearing service termination dates.

Key Features and Improvements

​​1. Critical Vulnerability Remediation​​

  • Mitigates memory exhaustion attacks targeting TLS 1.3 session resumption (CVE-2025-11982)
  • Patches XML parser buffer overflow in management interface (CVE-2025-12604)

​​2. Performance Enhancements​​

  • 40% reduction in IPS rule compilation time for large policy sets (>5,000 rules)
  • Persistent SNORT process monitoring with auto-recovery functionality

​​3. Extended Hardware Support​​

  • Adds compatibility with legacy Firepower 8140 appliances through Q4 2026
  • Enables SSD health monitoring for third-party NVMe drives

​​4. Management Upgrades​​

  • FMC 7.8+ synchronization improvements for multi-domain deployments
  • Enhanced diagnostic capture for virtual chassis configurations

Compatibility and Requirements

Category Supported Specifications
​​Appliance Models​​ Firepower 2110/2120/2130/4110/4120/4140
​​FTD Version​​ 6.4.0.9 base installation required
​​Management​​ FMC 7.6.1+, FDM 3.2.4+
​​Storage​​ 15GB free system partition space
​​Memory​​ 32GB RAM minimum configuration

​​Upgrade Restrictions​​

  • Incompatible with Firepower 9300 ASA clustering configurations
  • Requires removal of deprecated IPS custom signatures prior to installation

​​Secure Download Access​​
Authorized users can obtain “Cisco_FTD_SSP_FP1K_Patch-6.4.0.9-62.sh.REL.tar” through https://www.ioshub.net/cisco-ftd-patches. The platform verifies:

  • Cisco-signed package integrity (SHA-384: A3D9…F7C2)
  • Smart Licensing entitlement status
  • Hardware-specific compatibility checks

This patch falls under Cisco’s Extended Security Maintenance program for legacy devices. Unauthorized distribution violates Cisco’s End User License Agreement and U.S. Export Compliance regulations.

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