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TI-2017-04666 Aliases CVE-2017-6956GHSA-mg9v-9r6v-6h88

On the Broadcom Wi-Fi HardMAC SoC with fbt firmware, a stack buffer overflow occurs when…

Priority MEDIUM 42CWE-119Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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).

Why it matters now

EPSS 0.01984 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:broadcom:hardmac_wi-fi_soc_firmware:6.37.34.40:*:*:*:*:*:*:*6.37.34.40VulnerableBroadcom
cpe:2.3:h:broadcom:hardmac_wi-fi_soc:-:*:*:*:*:*:*:*not specified by NVDRunning onBroadcom
  • cpe:2.3:o:broadcom:hardmac_wi-fi_soc_firmware:6.37.34.40:*:*:*:*:*:*:* Versions 6.37.34.40 Vulnerable ·Broadcom
  • cpe:2.3:h:broadcom:hardmac_wi-fi_soc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6956
  2. 2026-10-03 Alias added: GHSA-mg9v-9r6v-6h88

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences