Introduction to Cisco_FTD_SSP_FP2K_Patch-6.6.0.1-7.sh.REL.tar Software

This critical security patch (Cisco_FTD_SSP_FP2K_Patch-6.6.0.1-7.sh.REL.tar) addresses multiple vulnerabilities in Cisco Firepower 2000 Series appliances running Firepower Threat Defense (FTD) 6.6.x software. Released under Cisco’s Extended Security Maintenance (ESM) program in Q4 2024, the hotfix specifically resolves path traversal vulnerabilities in WebVPN services while enhancing platform stability for enterprise network environments requiring urgent security remediation.

Designed for Firepower 2100/4100 series hardware models (FP2110/2120/2130/2140), this maintenance build maintains compatibility with both Firepower Management Center (FMC) 6.6+ and FXOS 2.14.1+ environments. The patch follows Cisco’s Secure Software Integrity Validation protocol, ensuring cryptographic authenticity for organizations subject to PCI-DSS 4.0 compliance requirements.

Key Features and Improvements

1. Critical Vulnerability Remediation

  • Mitigates CVE-2024-20345 path traversal vulnerability in SSL/TLS inspection modules
  • Patches memory corruption issues in XML parser (CVE-2024-33521)
  • Updates OpenSSL library to 3.2.5 with FIPS 140-3 Level 1 certification

2. Performance Enhancements

  • 28% reduction in IPSec VPN session establishment latency
  • Improved SNMPv3 engine stability during bulk MIB queries
  • Optimized resource allocation for Threat Intelligence Director feeds

3. Platform Optimization

  • Extended hardware warranty validation through 2028
  • Enhanced compatibility with Cisco SecureX threat hunting platform
  • 40GbE QSFP+ interface packet processing improvements

4. Management Upgrades

  • REST API v2.5 with OpenAPI 3.1 specification support
  • FMC policy synchronization time reduced by 35%
  • Automated compliance reporting for NIST 800-53 rev5

Compatibility and Requirements

Supported Hardware Minimum FXOS FMC Version RAM Requirement
Firepower 2110 2.14.1 6.6.1+ 32GB
Firepower 2120 2.14.3 6.6.2+ 64GB
Firepower 2130 2.14.3 6.6.3+ 128GB
Firepower 2140 2.15.0 6.6.4+ 256GB

​​Critical Compatibility Notes:​​

  • Incompatible with Firepower 1000/4000 series appliances
  • Requires FXOS 2.14.1+ for full functionality
  • Not supported on virtual FTDv instances

Service Access and Validation

This security patch is distributed through Cisco’s Smart Licensing program. Licensed customers with active service contracts can obtain the original Cisco_FTD_SSP_FP2K_Patch-6.6.0.1-7.sh.REL.tar file via:

  1. ​​Cisco Security Advisory Portal​​ (CCO credentials required)
  2. ​​Firepower Management Center Auto-Update Service​​
  3. ​​Enterprise Support Hub​​ (https://www.ioshub.net)

For emergency deployments, our platform provides SHA3-512 checksum verification (3d5f1…c92a1) and temporary access tokens through authenticated channels, ensuring compliance with Cisco’s software distribution policies.

​​Security Notice:​​ Always validate cryptographic hashes before deployment. Full verification details available via Cisco PSIRT Portal.

Technical specifications align with Cisco Security Advisory cisco-sa-2024ftd-path-KJuQhB86 and FTD 6.6 Release Notes. Configuration guidelines adhere to NIST SP 800-193 Platform Firmware Resilience standards.

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