High · published October 15, 2025
⚡ An unfiltered stream of traffic could crash the Traffic Management Microkernel (TMM) on the BIG-IP system! It's like letting in a surprise party guest who brings chaos instead of cake! 🎉 Picture a restaurant where the kitchen is overwhelmed with orders it can't handle. If a flood of unexpected requests comes in, the chefs can't keep up and the whole place grinds to a halt! This vulnerability could lead to significant downtime, disrupting services and leaving users scratching their heads. If the TMM crashes, all traffic management functions cease, potentially exposing sensitive data and causing chaos.
Picture a restaurant where the kitchen is overwhelmed with orders it can't handle. If a flood of unexpected requests comes in, the chefs can't keep up and the whole place grinds to a halt! The vulnerability arises when IPsec is configured and undisclosed traffic triggers a termination of the TMM, disrupting operations. This issue impacts the handling of traffic in BIG-IP systems, especially under unexpected load conditions.
This vulnerability could lead to significant downtime, disrupting services and leaving users scratching their heads. If the TMM crashes, all traffic management functions cease, potentially exposing sensitive data and causing chaos. To protect against this issue, ensure you're running the latest version of BIG-IP that is still supported. Monitor your traffic closely and implement rate limiting to control unexpected traffic spikes. Consider reviewing your IPsec configurations for any potential weaknesses. You've got this! Follow these steps and you'll keep your system stable and secure. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| f5/big-ip_access_policy_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_advanced_firewall_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_advanced_web_application_firewall | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_analytics | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_application_acceleration_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_application_security_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_application_visibility_and_reporting | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_automation_toolchain | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_carrier-grade_nat | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_container_ingress_services | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_ddos_hybrid_defender | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_domain_name_system | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_edge_gateway | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_fraud_protection_service | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_global_traffic_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_link_controller | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_local_traffic_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_policy_enforcement_manager | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_ssl_orchestrator | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_webaccelerator | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_websafe | ≥ 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5/big-ip_access_policy_manager | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_advanced_firewall_manager | ≥ 16.1.0, < 16.1.6 | 16.1.6 |
| f5/big-ip_advanced_web_application_firewall | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_analytics | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_application_acceleration_manager | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_application_security_manager | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_application_visibility_and_reporting | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_automation_toolchain | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_carrier-grade_nat | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_container_ingress_services | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_ddos_hybrid_defender | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_domain_name_system | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_edge_gateway | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_fraud_protection_service | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_global_traffic_manager | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_link_controller | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_local_traffic_manager | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_policy_enforcement_manager | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_ssl_orchestrator | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_webaccelerator | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_websafe | ≥ 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5/big-ip_access_policy_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_advanced_firewall_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_advanced_web_application_firewall | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_analytics | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_application_acceleration_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_application_security_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_application_visibility_and_reporting | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_automation_toolchain | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_carrier-grade_nat | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_container_ingress_services | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_ddos_hybrid_defender | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_domain_name_system | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_edge_gateway | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_fraud_protection_service | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_global_traffic_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_link_controller | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_local_traffic_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_policy_enforcement_manager | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_ssl_orchestrator | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_webaccelerator | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_websafe | ≥ 17.1.0, < 17.1.3 | 17.1.3 |
| f5/big-ip_access_policy_manager | all versions | — |
| f5/big-ip_advanced_firewall_manager | all versions | — |
| f5/big-ip_advanced_web_application_firewall | all versions | — |
| f5/big-ip_analytics | all versions | — |
| f5/big-ip_application_acceleration_manager | all versions | — |
| f5/big-ip_application_security_manager | all versions | — |
| f5/big-ip_application_visibility_and_reporting | all versions | — |
| f5/big-ip_automation_toolchain | all versions | — |
| f5/big-ip_carrier-grade_nat | all versions | — |
| f5/big-ip_container_ingress_services | all versions | — |
| f5/big-ip_ddos_hybrid_defender | all versions | — |
| f5/big-ip_domain_name_system | all versions | — |
| f5/big-ip_edge_gateway | all versions | — |
| f5/big-ip_fraud_protection_service | all versions | — |
| f5/big-ip_global_traffic_manager | all versions | — |
| f5/big-ip_link_controller | all versions | — |
| f5/big-ip_local_traffic_manager | all versions | — |
| f5/big-ip_policy_enforcement_manager | all versions | — |
| f5/big-ip_ssl_orchestrator | all versions | — |
| f5/big-ip_webaccelerator | all versions | — |
| f5/big-ip_websafe | all versions | — |
| f5/big-ip_next_cloud-native_network_functions | ≥ 1.1.0, ≤ 1.4.1 | — |
| f5/big-ip_next_cloud-native_network_functions | ≥ 2.0.0, ≤ 2.1.0 | — |
| f5/big-ip_next_for_kubernetes | ≥ 2.0.0, ≤ 2.1.0 | — |