CVE-2025-58096

HIGH
Published Oct 15, 2025 Modified Oct 21, 2025 CWE-787

Description

When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Is your site exposed to CVE-2025-58096?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor Product
f5 big-ip_access_policy_manager
f5 big-ip_advanced_firewall_manager
f5 big-ip_advanced_web_application_firewall
f5 big-ip_analytics
f5 big-ip_application_acceleration_manager
f5 big-ip_application_security_manager
f5 big-ip_application_visibility_and_reporting
f5 big-ip_automation_toolchain
f5 big-ip_carrier-grade_nat
f5 big-ip_container_ingress_services
f5 big-ip_ddos_hybrid_defender
f5 big-ip_domain_name_system
f5 big-ip_edge_gateway
f5 big-ip_fraud_protection_service
f5 big-ip_global_traffic_manager
f5 big-ip_link_controller
f5 big-ip_local_traffic_manager
f5 big-ip_policy_enforcement_manager
f5 big-ip_ssl_orchestrator
f5 big-ip_webaccelerator
f5 big-ip_websafe
f5 big-ip_access_policy_manager
f5 big-ip_advanced_firewall_manager
f5 big-ip_advanced_web_application_firewall
f5 big-ip_analytics
f5 big-ip_application_acceleration_manager
f5 big-ip_application_security_manager
f5 big-ip_application_visibility_and_reporting
f5 big-ip_automation_toolchain
f5 big-ip_carrier-grade_nat
f5 big-ip_container_ingress_services
f5 big-ip_ddos_hybrid_defender
f5 big-ip_domain_name_system
f5 big-ip_edge_gateway
f5 big-ip_fraud_protection_service
f5 big-ip_global_traffic_manager
f5 big-ip_link_controller
f5 big-ip_local_traffic_manager
f5 big-ip_policy_enforcement_manager
f5 big-ip_ssl_orchestrator
f5 big-ip_webaccelerator
f5 big-ip_websafe
f5 big-ip_access_policy_manager
f5 big-ip_access_policy_manager
f5 big-ip_advanced_firewall_manager
f5 big-ip_advanced_firewall_manager
f5 big-ip_advanced_web_application_firewall
f5 big-ip_advanced_web_application_firewall
f5 big-ip_analytics
f5 big-ip_analytics
f5 big-ip_application_acceleration_manager
f5 big-ip_application_acceleration_manager
f5 big-ip_application_security_manager
f5 big-ip_application_security_manager
f5 big-ip_application_visibility_and_reporting
f5 big-ip_application_visibility_and_reporting
f5 big-ip_automation_toolchain
f5 big-ip_automation_toolchain
f5 big-ip_carrier-grade_nat
f5 big-ip_carrier-grade_nat
f5 big-ip_container_ingress_services
f5 big-ip_container_ingress_services
f5 big-ip_ddos_hybrid_defender
f5 big-ip_ddos_hybrid_defender
f5 big-ip_domain_name_system
f5 big-ip_domain_name_system
f5 big-ip_edge_gateway
f5 big-ip_edge_gateway
f5 big-ip_fraud_protection_service
f5 big-ip_fraud_protection_service
f5 big-ip_global_traffic_manager
f5 big-ip_link_controller
f5 big-ip_link_controller
f5 big-ip_local_traffic_manager
f5 big-ip_local_traffic_manager
f5 big-ip_policy_enforcement_manager
f5 big-ip_policy_enforcement_manager
f5 big-ip_ssl_orchestrator
f5 big-ip_ssl_orchestrator
f5 big-ip_webaccelerator
f5 big-ip_webaccelerator
f5 big-ip_websafe
f5 big-ip_websafe

References

Frequently Asked Questions

What is CVE-2025-58096? +
When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-58096? +
CVE-2025-58096 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-58096? +
CVE-2025-58096 affects products from f5, specifically: big-ip_access_policy_manager, big-ip_advanced_firewall_manager, big-ip_advanced_web_application_firewall, big-ip_analytics, big-ip_application_acceleration_manager, big-ip_application_security_manager, big-ip_application_visibility_and_reporting, big-ip_automation_toolchain, big-ip_carrier-grade_nat, big-ip_container_ingress_services, big-ip_ddos_hybrid_defender, big-ip_domain_name_system, big-ip_edge_gateway, big-ip_fraud_protection_service, big-ip_global_traffic_manager, big-ip_link_controller, big-ip_local_traffic_manager, big-ip_policy_enforcement_manager, big-ip_ssl_orchestrator, big-ip_webaccelerator, big-ip_websafe. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-58096? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2025-58096 — free, no signup required.