CVE-2025-46706

HIGH

F5 F5 BIG-IP 16.1.0 through 16.1.6 - Memory Resource Exhaustion via iRule HTTP::respond

Title source: llm
STIX 2.1

Description

When an iRule containing the HTTP::respond command is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory
https://my.f5.com/manage/s/article/K000151611

Scores

CVSS v3 7.5
EPSS 0.0009
EPSS Percentile 24.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (23)
f5/big-ip_access_policy_manager 16.1.0 - 16.1.6
f5/big-ip_advanced_firewall_manager 16.1.0 - 16.1.6
f5/big-ip_advanced_web_application_firewall 16.1.0 - 16.1.6
f5/big-ip_analytics 16.1.0 - 16.1.6
f5/big-ip_application_acceleration_manager 16.1.0 - 16.1.6
f5/big-ip_application_security_manager 16.1.0 - 16.1.6
f5/big-ip_application_visibility_and_reporting 16.1.0 - 16.1.6
f5/big-ip_automation_toolchain 16.1.0 - 16.1.6
f5/big-ip_carrier-grade_nat 16.1.0 - 16.1.6
f5/big-ip_container_ingress_services 16.1.0 - 16.1.6
... and 13 more
Published Oct 15, 2025
Tracked Since Feb 18, 2026