{"cve":"CVE-2017-6166","nvd":{"published":"2017-11-22T16:29:00.337","modified":"2026-06-17T01:21:52.890","status":"Modified","description":"In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12.0.0 to 12.1.1, in some cases the Traffic Management Microkernel (TMM) may crash when processing fragmented packets. This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. If the affected BIG-IP system is configured as part of a device group, it will trigger a failover to the peer device.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-415"],"references":["http://www.securityfocus.com/bid/102264","http://www.securitytracker.com/id/1039949","https://support.f5.com/csp/article/K65615624","http://www.securityfocus.com/bid/102264","http://www.securitytracker.com/id/1039949"],"products":["f5:big-ip_afm","f5:big-ip_analytics","f5:big-ip_apm","f5:big-ip_application_acceleration_manager","f5:big-ip_asm","f5:big-ip_dns","f5:big-ip_link_controller","f5:big-ip_ltm","f5:big-ip_pem","f5:f5_websafe","f5:linerate"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2017-6166","score":0.01928,"percentile":0.79977,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}