Cyber Resilience

CVE-2021-34174

MediumPublic PoC

Published: 14 July 2021

Published
14 July 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0015 34.9th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34174 is a medium-severity an unspecified weakness vulnerability in Broadcom Bcm4352 Firmware. Its CVSS base score is 4.6 (Medium).

Operationally, ranked at the 34.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

routers via an association or reassociation frame.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

broadcom
bcm4352 firmware
all versions
broadcom
bcm43684 firmware
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References