Buffer overflow in Broadcom Hardmac Wi-Fi Soc
CVE-2017-6956
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).
Vulnerability class: Buffer Overflow
EPSS: 0.020 (78.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Broadcom Hardmac_wi-fi_soc
- Broadcom Hardmac_wi-fi_soc_firmware — versions 6.37.34.40
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-6956?
- CVE-2017-6956 is a high-severity vulnerability in Broadcom Hardmac Wi-Fi Soc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-04-05.
- How severe is CVE-2017-6956?
- High severity. CVSS v3 base score is 8.8 out of 10.