{"id":"CVE-2025-55669","title":"When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which…","summary":"When the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-672"],"vendor":"f5","product":"big-ip_application_security_manager","affected":["big-ip_application_security_manager >= 16.1.0, < 16.1.6","big-ip_application_security_manager >= 17.1.0, <= 17.1.2"],"patched":["big-ip_application_security_manager 16.1.6"],"published":"2025-10-15","updated":"2026-10-08","sourceUpdated":"2026-10-08T12:10:00.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-55669","references":[{"url":"https://my.f5.com/manage/s/article/K000150752","label":"f5sirt@f5.com"}],"tags":["nvd"],"epss":0.00384,"epssPercentile":0.30312,"ingestedAt":"2026-10-08T11:31:27.432Z","slug":"CVE-2025-55669","body":"## Overview\n\nWhen the BIG-IP Advanced WAF and ASM security policy and a server-side HTTP/2 profile are configured on a virtual server, 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.\n\n## Affected\n\n- `big-ip_application_security_manager >= 16.1.0, < 16.1.6`\n- `big-ip_application_security_manager >= 17.1.0, <= 17.1.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `big-ip_application_security_manager 16.1.6`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}