peter bassill · operator
$ cve CVE-2017-11121 JSON

CVE-2017-11121

9.8
CRITICAL · CVSS 3.0 · EPSS 2.8% (pctl 86)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

Description

On Broadcom BCM4355C0 Wi-Fi chips 9.44.78.27.0.1.56 and other chips, properly crafted malicious over-the-air Fast Transition frames can potentially trigger internal Wi-Fi firmware heap and/or stack overflows, leading to denial of service or other effects, aka B-V2017061205.

Scoring

CVSS9.8 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.79% — more likely to be exploited than 86% of all CVEs
WeaknessCWE-119
On CISA KEVno
Public exploitnone known
Published2017-09-28
Last modified2026-06-17

Affected (4)

VendorProduct
appleiphone os
appletvos
broadcombcm4355c0
broadcombcm4355c0 firmware

References

→ the Explorer  ·  watch your stack  ·  NVD