CVE-2017-6956

Published: Apr 5, 2017Modified: May 13, 2026

8.8

Vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

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).

Affected (1)

Products: Broadcom: Hardmac Wi Fi Soc Firmware

1 product

Hardmac Wi Fi Soc Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Broadcom Hardmac Wi Fi Soc Firmware	Version 6.37.34.40

Running on/with	Platform Versions
Broadcom Hardmac Wi Fi Soc	All versions

Related CWEs

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (4)

https://bugs.chromium.org/p/project-zero/issues/detail?id=1059

Source: cve@mitre.org

Third Party Advisory

https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html

Source: cve@mitre.org

Third Party Advisory

https://bugs.chromium.org/p/project-zero/issues/detail?id=1059

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.