{"id":"CVE-2017-6956","aliases":["EUVD-2017-15994","GHSA-mg9v-9r6v-6h88"],"status":"published","title":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling...","description":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response, leading to remote code execution via a crafted access point that sends a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE).","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01984,"percentile":0.80711,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2017-04-05T14:00:00Z","modified":"2026-06-17T01:23:22Z","products":[{"vendor":"broadcom","product":"hardmac_wi-fi_soc_firmware"}],"references":[{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=1059","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6956"},{"url":"https://github.com/advisories/GHSA-mg9v-9r6v-6h88"}],"sources":{"cve":[{"id":"CVE-2017-6956","description":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response, leading to remote code execution via a crafted access point that sends a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE).","status":"published","published":"2017-04-05T14:00:00Z","modified":"2024-08-05T15:49:02.8Z","updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-15994","description":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response, leading to remote code execution via a crafted access point that sends a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE).","status":"published","published":"2017-04-05T14:00:00Z","modified":"2024-08-05T15:49:02Z","updated_at":"2026-11-03T02:39:10.49179Z"}],"ghsa":[{"id":"GHSA-mg9v-9r6v-6h88","title":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling...","description":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response, leading to remote code execution via a crafted access point that sends a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE).","status":"published","published":"2022-05-17T02:50:39Z","modified":"2023-01-27T05:05:56Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:42:48.225805Z"}],"nvd":[{"id":"CVE-2017-6956","description":"On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when handling an 802.11r (FT) authentication response, leading to remote code execution via a crafted access point that sends a long R0KH-ID field in a Fast BSS Transition Information Element (FT-IE).","status":"published","published":"2017-04-05T14:59:00.37Z","modified":"2026-06-17T01:23:22.63Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:44.86906Z"}]}}
