Vulnerability in Broadcom Bcm4352

CVE-2021-34174

A vulnerability exists in Broadcom BCM4352 and BCM43684 chips. Any wireless router using BCM4352 and BCM43684 will be affected, such as ASUS AX6100. An attacker may cause a Denial of Service (DoS) to any device connected to BCM4352 or BCM43684 routers via an association or reassociation frame.

EPSS: 0.004 (32.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-34174?
CVE-2021-34174 is a medium-severity vulnerability in Broadcom Bcm4352. CVSS score: 4.6/10. Published 2021-07-14.
How severe is CVE-2021-34174?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2021-34174 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.