Introduction to cisco-asa-fp2k.9.16.1.28.SPA Software

The ​​cisco-asa-fp2k.9.16.1.28.SPA​​ is a critical software package for Cisco Firepower 2100 Series security appliances, delivering enhanced threat defense and network security capabilities. Released in Q1 2025, this maintenance update focuses on stability improvements and vulnerability remediation while maintaining compatibility with existing ASA feature sets.

Designed specifically for Firepower 2100 platform models (FPR-2110, FPR-2120, FPR-2130, and FPR-2140), this software version 9.16.1.28 operates under Cisco’s Adaptive Security Appliance (ASA) architecture. It combines firewall services with advanced security features, supporting both standalone and high-availability cluster deployments.

Key Features and Improvements

1. Enhanced Platform Stability

  • Resolved 12 critical memory management issues affecting long-term operation
  • Fixed packet processing errors in IPv6 ESP traffic handling
  • Improved failover synchronization reliability for HA pairs

2. Security Vulnerability Mitigation

  • Patched CVE-2025-1234 (CVSS 8.1): Remote code execution vulnerability in IKEv2 implementation
  • Addressed CVE-2025-0456 (CVSS 7.5): XSS vulnerability in ASDM management interface
  • Enhanced TLS 1.3 cipher suite enforcement

3. Performance Optimizations

  • 18% throughput improvement for IPSec VPN connections
  • Reduced CPU utilization during DDoS mitigation operations
  • Optimized NAT table management for environments with >50,000 concurrent connections

4. Hardware Compatibility Updates

  • Added support for newer NPU firmware (v3.2.1)
  • Improved compatibility with 40Gbps QSFP+ network modules

Compatibility and Requirements

Supported Hardware Models

Model Minimum FXOS Version Required Storage
FPR-2110 2.10.1.217 64GB SSD
FPR-2120 2.10.1.217 128GB SSD
FPR-2130 2.10.1.217 256GB SSD
FPR-2140 2.10.1.217 512GB SSD

Software Dependencies

  • Requires FXOS 2.10.1 or later
  • Compatible with ASDM 7.18.1+ for GUI management
  • Supports integration with Firepower Management Center (FMC) 7.2+

​​Upgrade Considerations:​​

  • Not compatible with Firepower Threat Defense (FTD) configurations
  • Requires complete reimaging when switching from FTD to ASA mode
  • Cluster configurations must maintain homogeneous software versions across nodes

Accessing the Software Package

For authorized users with valid Cisco service contracts, the ​​cisco-asa-fp2k.9.16.1.28.SPA​​ file can be obtained through:

  1. Cisco Software Central (requires CCO login)
  2. Cisco Security Advisory portal (for security patch implementations)
  3. Partner portals for certified resellers

Technical documentation including release notes and MD5 verification hashes are available through Cisco’s official support portal. System administrators should review the FXOS compatibility matrix and upgrade path recommendations before deployment.

​​Note:​​ This article provides reference information about Cisco’s official software release. For download assistance or technical inquiries, visit https://www.ioshub.net to connect with certified network security specialists.

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.