What’s Vulnerable › Vulnerabilities

CVE-2017-6956

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-05 · updated 2026-06-17
• Weakness: CWE-119

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 products

• Broadcom Hardmac Wi-Fi Soc Firmware: 6.37.34.40

References

• https://bugs.chromium.org/p/project-zero/issues/detail?id=1059
• https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1059
• https://googleprojectzero.blogspot.com/2017/04/over-air-exploiting-broadcoms-wi-fi_4.html

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