CVE-2026-42781

EUVD-2026-30002
When embedded Packet Velocity Acceleration (ePVA) acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel (TMM) resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
f5CNA
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 7%
Affected Products (NVD)
VendorProductVersion
f5big-ip_access_policy_manager
21.0.0
f5big-ip_advanced_firewall_manager
21.0.0
f5big-ip_advanced_web_application_firewall
21.0.0
f5big-ip_analytics
21.0.0
f5big-ip_application_acceleration_manager
21.0.0
f5big-ip_application_security_manager
21.0.0
f5big-ip_application_visibility_and_reporting
21.0.0
f5big-ip_automation_toolchain
21.0.0
f5big-ip_carrier-grade_nat
21.0.0
f5big-ip_container_ingress_services
21.0.0
f5big-ip_ddos_hybrid_defender
21.0.0
f5big-ip_domain_name_system
21.0.0
f5big-ip_edge_gateway
21.0.0
f5big-ip_fraud_protection_service
21.0.0
f5big-ip_global_traffic_manager
21.0.0
f5big-ip_link_controller
21.0.0
f5big-ip_local_traffic_manager
21.0.0
f5big-ip_policy_enforcement_manager
21.0.0
f5big-ip_ssl_orchestrator
21.0.0
f5big-ip_webaccelerator
21.0.0
f5big-ip_websafe
21.0.0
f5big-ip_access_policy_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_access_policy_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_advanced_firewall_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_advanced_firewall_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_advanced_web_application_firewall
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_advanced_web_application_firewall
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_analytics
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_analytics
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_application_acceleration_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_application_acceleration_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_application_security_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_application_security_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_application_visibility_and_reporting
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_application_visibility_and_reporting
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_automation_toolchain
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_automation_toolchain
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_carrier-grade_nat
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_carrier-grade_nat
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_container_ingress_services
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_container_ingress_services
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_ddos_hybrid_defender
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_ddos_hybrid_defender
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_domain_name_system
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_domain_name_system
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_edge_gateway
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_edge_gateway
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_fraud_protection_service
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_fraud_protection_service
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_global_traffic_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_global_traffic_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_link_controller
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_link_controller
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_local_traffic_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_local_traffic_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_policy_enforcement_manager
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_policy_enforcement_manager
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_ssl_orchestrator
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_ssl_orchestrator
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_webaccelerator
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_webaccelerator
17.5.0 ≤
𝑥
≤ 17.5.1
f5big-ip_websafe
17.1.0 ≤
𝑥
≤ 17.1.3
f5big-ip_websafe
17.5.0 ≤
𝑥
≤ 17.5.1
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
f5big-ip
21.0.0 ≤
𝑥
< 21.0.0.1
CNA
f5big-ip
17.5.0 ≤
𝑥
< 17.5.1.4
CNA
f5big-ip
17.1.0 ≤
𝑥
< 17.1.3.1
CNA
Common Weakness Enumeration
References
https://my.f5.com/manage/s/article/K000160862