{"id":"CVE-2017-11121","aliases":["EUVD-2017-2758","GHSA-f3pv-j4q8-42fr"],"status":"published","title":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious...","description":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02794,"percentile":0.86514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2017-09-27T17:00:00Z","modified":"2026-06-17T01:01:15Z","products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"tvos"},{"vendor":"broadcom","product":"bcm4355c0_firmware"}],"references":[{"url":"http://www.securityfocus.com/bid/100984","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://source.android.com/security/bulletin/2017-09-01","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://lists.apple.com/archives/security-announce/2017/Sep/msg00009.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://lists.apple.com/archives/security-announce/2017/Sep/msg00007.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/144329/Broadcom-802.11r-FT-Reassociation-Response-Overflows.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://support.apple.com/en-us/HT208113","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1291","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://support.apple.com/en-us/HT208112","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://support.apple.com/HT208113","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://support.apple.com/HT208112","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11121"},{"url":"https://github.com/advisories/GHSA-f3pv-j4q8-42fr"}],"sources":{"cve":[{"id":"CVE-2017-11121","description":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.","status":"published","published":"2017-09-27T17:00:00Z","modified":"2024-08-05T17:57:57.981Z","updated_at":"2026-11-02T14:33:20.171335Z"}],"euvd":[{"id":"EUVD-2017-2758","description":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.","status":"published","published":"2017-09-27T17:00:00Z","modified":"2024-08-05T17:57:57Z","updated_at":"2026-11-03T02:23:24.743229Z"}],"ghsa":[{"id":"GHSA-f3pv-j4q8-42fr","title":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious...","description":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.","status":"published","published":"2022-05-14T01:21:35Z","modified":"2023-02-02T05:03:25Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:51:38.289817Z"}],"nvd":[{"id":"CVE-2017-11121","description":"On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.","status":"published","published":"2017-09-28T01:29:01.09Z","modified":"2026-06-17T01:01:15.52Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:59.716532Z"}]}}