What is the CVSS score of CVE-2021-34174?

CVE-2021-34174 has a CVSS 3.1 base score of 4.6 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2021-34174?

Yes, a public proof-of-concept exploit is available for CVE-2021-34174. Prioritise patching immediately. EPSS: 0.4%.

Bcm4352 Firmware CVE-2021-34174

MEDIUM

2021-07-14 cve@mitre.org

Denial Of Service Broadcom Bcm4352 Firmware Bcm43684 Firmware

4.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.6 MEDIUM

AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 14, 2021 - 19:15 nvd

MEDIUM 4.6

DescriptionNVD

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.

AnalysisAI

A vulnerability exists in Broadcom BCM4352 and BCM43684 chips. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.