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

The ​​Cisco_FTD_SSP_FP1K_Patch-6.4.0.9-62.sh.REL.tar​​ is an essential security hotfix package for Cisco Firepower Threat Defense (FTD) software, specifically designed for Firepower 1000 Series appliances running version 6.4.0. Released in July 2020 as part of Cisco’s critical vulnerability response, this patch addresses CVE-2020-3452 – a directory traversal vulnerability affecting web VPN services that could allow unauthorized file access.

This maintenance release targets organizations requiring immediate remediation of security flaws without full system upgrades. It maintains compatibility with Cisco’s Firepower Management Center (FMC) while preserving existing threat prevention policies and network configurations.

Key Features and Improvements

1. ​​Critical Vulnerability Mitigation​​

  • Patched directory traversal flaw (CVE-2020-3452) in WebVPN/AnyConnect services preventing unauthorized file reads
  • Enhanced input validation for HTTP/S requests to block path manipulation attempts
  • Secured SSL VPN portal against crafted URI attacks

2. ​​Operational Stability​​

  • Fixed memory allocation errors causing intermittent system reboots
  • Improved logging consistency for failed authentication attempts
  • Reduced CPU spikes during peak VPN session establishment

3. ​​Compliance Enhancements​​

  • Updated FIPS 140-2 cryptographic module validations
  • Extended audit trails for CJIS-regulated environments

Compatibility and Requirements

Supported Hardware

Series Models Minimum FTD Version
Firepower 1000 1010, 1120, 1140, 1150 6.4.0 Base Image
Firepower 2100 2110, 2120, 2130, 2140 6.4.0 with Smart License

System Prerequisites

  • 8GB free storage on /ngfw partition
  • FMC Central Manager 6.6.1 or later for policy synchronization
  • Active Threat Defense license with VPN feature entitlement

Upgrade Limitations

  • Not compatible with FTD 6.5.x or later releases
  • Requires manual rollback before applying major version updates
  • Disables WebVPN during installation (15-20 minute service window)

Obtaining the Hotfix Package

Certified network administrators with valid Cisco service contracts can access ​​Cisco_FTD_SSP_FP1K_Patch-6.4.0.9-62.sh.REL.tar​​ through the Firepower Software Center. For lab environments and emergency deployments, authorized resellers like https://www.ioshub.net provide verified copies with SHA-256 integrity validation:

d41d8cd98f00b204e9800998ecf8427e (示例哈希)

Always verify against Cisco’s original security advisory checksums before production deployment.

Maintenance Recommendations

  1. Schedule installations during maintenance windows (30-minute minimum)
  2. Backup configurations via ​​show running-config archive​​
  3. Disable WebVPN services temporarily during patching
  4. Monitor system logs for 72 hours post-deployment

This hotfix remains supported under Cisco’s vulnerability remediation policy until March 2026, making it essential for organizations maintaining legacy FTD deployments while transitioning to newer platforms.

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