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CVE-2017-6956

N/A
Published: April 5, 2017 at 02:00 PM UTC
Updated: June 17, 2026 at 01:23 AM UTC
2 products affected across 1 vendorHardmac Wi Fi SOC FirmwareHardmac Wi-Fi Soc

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Severity
N/A
Exploit prediction
EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Hardmac Wi Fi SOC Firmware· Broadcom
95%
6.37.34.40
broadcom-hardmac-wi-fi-soc (same device)
Hardmac Wi-Fi Soc· Broadcomdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/project-zero/issues/detail?id=1059
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html

CVSS

8.3HIGH[email protected]
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119

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