{"id":"CVE-2017-6166","aliases":["EUVD-2017-15231","GHSA-j35v-h5m8-p59m"],"status":"published","title":"In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12...","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.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01928,"percentile":0.80118,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2017-11-22T16:00:00Z","modified":"2026-06-17T01:21:52Z","products":[{"vendor":"f5","product":"big-ip_afm"},{"vendor":"f5","product":"big-ip_analytics"},{"vendor":"f5","product":"big-ip_apm"},{"vendor":"f5","product":"big-ip_application_acceleration_manager"},{"vendor":"f5","product":"big-ip_asm"},{"vendor":"f5","product":"big-ip_dns"},{"vendor":"f5","product":"big-ip_link_controller"},{"vendor":"f5","product":"big-ip_ltm"},{"vendor":"f5","product":"big-ip_pem"},{"vendor":"f5","product":"f5_websafe"},{"vendor":"f5","product":"linerate"},{"vendor":"f5 networks, inc.","product":"big-ip ltm, aam, afm, analytics, apm, asm, dns, link controller, pem, and websafe"}],"references":[{"url":"http://www.securityfocus.com/bid/102264","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://support.f5.com/csp/article/K65615624","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Mitigation","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1039949","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6166"},{"url":"https://github.com/advisories/GHSA-j35v-h5m8-p59m"}],"sources":{"cve":[{"id":"CVE-2017-6166","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.","status":"published","published":"2017-11-22T16:00:00Z","modified":"2024-09-16T19:36:14.016Z","updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-15231","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.","status":"published","published":"2017-11-22T16:00:00Z","modified":"2024-09-16T19:36:14Z","updated_at":"2026-11-03T00:55:21.523281Z"}],"ghsa":[{"id":"GHSA-j35v-h5m8-p59m","title":"In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12...","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.","status":"published","published":"2022-05-13T01:04:37Z","modified":"2023-02-01T05:02:46Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:49:57.916243Z"}],"nvd":[{"id":"CVE-2017-6166","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.","status":"published","published":"2017-11-22T16:29:00.337Z","modified":"2026-06-17T01:21:52.89Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:04:09.7374Z"}]}}