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CVE-2025-48008

High

Description

When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

SeverityHigh
CVSS7.5
Exploit probability—
ProductF5 Big-ip Next Cloud-native Network Functions
PublishedOct 15, 2025
First seenOct 15, 2025
Weakness typeCWE-416Use after free

How to fix

Update
  • f5 big-ip_access_policy_manager15.1.10.8, 16.1.6 or later
  • f5 big-ip_advanced_firewall_manager15.1.10.8, 16.1.6 or later
  • f5 big-ip_advanced_web_application_firewall15.1.10.8, 16.1.6 or later
  • f5 big-ip_analytics15.1.10.8, 16.1.6 or later
  • f5 big-ip_application_acceleration_manager15.1.10.8, 16.1.6 or later
  • f5 big-ip_application_security_manager15.1.10.8, 16.1.6 or later
  • f5 big-ip_application_visibility_and_reporting15.1.10.8, 16.1.6 or later
  • f5 big-ip_automation_toolchain15.1.10.8, 16.1.6 or later
  • f5 big-ip_carrier-grade_nat15.1.10.8, 16.1.6 or later
  • f5 big-ip_container_ingress_services15.1.10.8, 16.1.6 or later
  • f5 big-ip_ddos_hybrid_defender15.1.10.8, 16.1.6 or later
  • f5 big-ip_domain_name_system15.1.10.8, 16.1.6 or later
Vendor advisories

Affected products

ProductAffected versionsFixed in
f5 big-ip_next_cloud-native_network_functions1.1.0 ≤ v ≤ 1.4.1—
f5 big-ip_next_service_proxy_for_kubernetes1.7.0 ≤ v ≤ 1.9.2—
f5 big-ip_access_policy_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_advanced_firewall_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_advanced_web_application_firewall15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_analytics15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_application_acceleration_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_application_security_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_application_visibility_and_reporting15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_automation_toolchain15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_carrier-grade_nat15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_container_ingress_services15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_ddos_hybrid_defender15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_domain_name_system15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_edge_gateway15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_fraud_protection_service15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_global_traffic_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_link_controller15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_local_traffic_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_policy_enforcement_manager15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_ssl_orchestrator15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_webaccelerator15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6
f5 big-ip_websafe15.1.0 ≤ v < 15.1.10.8, 16.1.0 ≤ v < 16.1.615.1.10.8, 16.1.6

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CVE-2025-48008 · F5 Big-ip Next Cloud-native Network Functions · Dark Radar