{"id":"CVE-2026-41956","published":"2026-05-13T14:12:33Z","modified":"2026-05-13T16:13:57Z","title":"BIG-IP TMM Vulnerability","vendor":"F5","product":"BIG-IP","tier":"tail","description":{"text":"When a classification profile is configured on a UDP virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","provenance":"source","from":"CVE.org"},"cvss":{"score":7.5,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00263,"percentile":0.18106,"provenance":"source"},"cwes":[{"id":"CWE-121","name":"Stack-based Buffer Overflow"}],"references":[{"url":"https://my.f5.com/manage/s/article/K000158038","tags":["vendor-advisory","patch"]}],"priority":{"score":8.9,"factors":[{"name":"EPSS percentile","points":3.62},{"name":"CVSS severity","points":5.25}]},"vendorSlug":"f5","affectedVersions":[{"vendor":"F5","product":"BIG-IP","versions":[">= 17.5.0, < 17.5.1.4",">= 17.1.0, < 17.1.3.1",">= 16.1.0"]},{"vendor":"F5","product":"BIG-IP Next CNF","versions":[">= 2.0.0, < 2.0.3",">= 1.4.0, < 1.4.1"]},{"vendor":"F5","product":"BIG-IP Next for Kubernetes","versions":[">= 2.0.0, < 2.1.0"]}],"euvd":{"id":"EUVD-2026-29990","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-f5-big-ip-cwe-121"}}