CVE-2025-61951

HIGH

F5 Big-ip Access Policy Manager < 16.1.6.1 - Out-of-Bounds Read

Title source: rule
STIX 2.1

Description

Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  This issue may occur when a Datagram Transport Layer Security (DTLS) 1.2 virtual server is enabled with a Server SSL profile that is configured with a certificate, key, and the SSL Sign Hash set to ANY, and the backend server is enabled with DTLS 1.2 and client authentication.  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/K000151309

Scores

CVSS v3 7.5
EPSS 0.0006
EPSS Percentile 18.7%
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-125
Status published
Products (42)
f5/big-ip_access_policy_manager 17.5.0
f5/big-ip_access_policy_manager 16.1.0 - 16.1.6.1
f5/big-ip_advanced_firewall_manager 17.5.0
f5/big-ip_advanced_firewall_manager 16.1.0 - 16.1.6.1
f5/big-ip_advanced_web_application_firewall 17.5.0
f5/big-ip_advanced_web_application_firewall 16.1.0 - 16.1.6.1
f5/big-ip_analytics 17.5.0
f5/big-ip_analytics 16.1.0 - 16.1.6.1
f5/big-ip_application_acceleration_manager 17.5.0
f5/big-ip_application_acceleration_manager 16.1.0 - 16.1.6.1
... and 32 more
Published Oct 15, 2025
Tracked Since Feb 18, 2026