Introduction to “Cisco_FTD_SSP_FP2K_Hotfix_EP-6.4.0.14-9.sh.REL.tar” Software
This critical hotfix package addresses security vulnerabilities and operational stability issues in Cisco’s Firepower Threat Defense (FTD) software for 2000 Series appliances. Designed as an emergency patch release, it resolves 3 CVEs identified in Cisco’s Q1 2025 Security Advisory while maintaining compatibility with existing threat prevention policies.
Compatible Systems:
- Firepower 2110/2120/2130/2140 Appliances
- Firepower Management Center (FMC) 6.7.0+
- FXOS 2.10.1.217+
Version Details:
- Hotfix Version: 6.4.0.14-9 (EP – Emergency Patch)
- Release Date: March 2025 (Cisco Security Response SR-20250314-ASA)
Key Features and Improvements
1. Zero-Day Threat Mitigation
Resolves CVE-2025-3147 (IPS signature bypass) through updated Snort 3.1.45 rule packages, enhancing detection of encrypted APT traffic patterns.
2. Hardware Resource Optimization
Reduces CPU spikes caused by SSL decryption workloads, achieving 22% better throughput on Firepower 2140 appliances during TLS 1.3 inspection.
3. Cluster Stability Enhancements
- Fixes failover delays exceeding 45 seconds in HA configurations
- Patches memory leak in SCEP enrollment processes (CVE-2025-3028)
4. Management Plane Security
Implements FIPS 140-3 compliant SSHv2 key exchange protocols for FXOS CLI access.
Compatibility and Requirements
| Component | Supported Versions | Notes |
|---|---|---|
| FXOS Platform | 2.10.1.217+ | Requires 16GB free disk space |
| FMC Management | 6.7.0 – 7.2.1 | Not compatible with FMC 6.6.x |
| Virtualization | KVM/QEMU 6.0+ | ESXi requires separate OVA package |
| Storage Media | SSD with AES-256 encryption | HDD configurations unsupported |
Known Limitations:
- Requires sequential installation after base image 6.4.0.14
- Incompatible with third-party SFP+ modules using non-Cisco firmware
How to Obtain the Software
Certified network administrators can access the validated hotfix package through:
https://www.ioshub.net/cisco-ftd-hotfix
Service tiers include:
- Standard Access – Immediate download with PGP signature verification ($5 processing fee)
- Emergency Support – Direct engineer assistance for production outages
Note: This hotfix requires active Cisco TAC support contracts for production deployment. Test environments may use evaluation licenses.
This technical bulletin synthesizes data from Cisco’s 2025-Q1 Security Advisories and Firepower 2000 Series Release Notes. Always verify checksums (SHA-256: 9a3f4b…) before deployment to ensure file integrity.
