Introduction to cisco-asa-fp2k.9.19.1.28.SPA
This firmware package delivers critical security enhancements and platform optimizations for Cisco Firepower 2100 Series appliances running Adaptive Security Appliance (ASA) software. As part of Cisco’s Extended Maintenance Release (EMR) cycle, version 9.19.1.28 addresses multiple Common Vulnerabilities and Exposures (CVEs) while improving operational stability for enterprise firewall deployments.
Designed specifically for Firepower 2100 models (FPR-2110, FPR-2120, FPR-2130, FPR-2140), this release maintains compatibility with Firepower Device Manager (FDM) v7.19+ and Firepower Management Center (FMC) v7.6.2+. Cisco Security Advisory cisco-sa-20240916-asa-dos confirms resolution of three medium-severity vulnerabilities affecting IKEv2 session handling and TCP state table management.
Key Features and Improvements
1. Enhanced Threat Prevention
- Patched CVE-2024-2121: Memory exhaustion vulnerability during high-volume IKEv2 negotiations
- Implemented hardware-accelerated DTLS 1.3 session resumption for AnyConnect VPN
- Reduced false positives in TCP state validation by 18% through improved ASP rule sequencing
2. Platform Stability Enhancements
- Fixed kernel panic scenarios during FXOS 3.14.x interoperability testing
- Improved HA cluster synchronization speed by 28% through optimized memory allocation
- Added automatic checksum validation for multi-partition firmware transfers
3. Compliance & Management
- Extended FIPS 140-3 Level 1 validation for ASAv deployments on VMware ESXi 8.0U2+
- Introduced REST API v2.4 support for bulk policy configuration management
Compatibility and Requirements
| Component | Supported Versions |
|---|---|
| Hardware Platforms | Firepower 2110/2120/2130/2140 |
| Virtualization Hypervisors | VMware ESXi 8.0U2+, KVM 5.15+ |
| Management Controllers | FMC v7.6.2+, FDM v7.19.1+ |
| Minimum Storage | 24GB (dual image retention) |
Critical Compatibility Notes
- Incompatible with Firepower 4100/9300 chassis running FXOS 4.2+
- Requires BIOS version 2.41.3 on FPR-2140 appliances
- Smart License conversion mandatory when upgrading from 9.16.x releases
Secure Software Access
Network administrators requiring this firmware can obtain the verified package through https://www.ioshub.net after completing cryptographic validation. The file retains its original SHA-512 checksum (4f1a8e2c…d79b) for integrity verification, matching Cisco’s official software catalog records.
For enterprise support contracts or bulk licensing inquiries, contact our technical team through the portal’s service request system. Emergency patch access is available for organizations affected by CVE-2024-2121 vulnerabilities.
Validation & Certification
This release completed Cisco’s 135-point QA verification process including:
- Interoperability testing with Cisco SecureX platform v3.2
- Stress testing under 920,000 concurrent connections
- FIPS 140-3 validation (Certificate #4512)
Administrators should review Cisco Security Advisory cisco-sa-20240916-asa-dos for detailed vulnerability mitigation guidance prior to deployment.
