A vulnerability exists in Broadcom BCM4352 and BCM43684 chips.
Priority LOW 21Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.00402 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:broadcom:bcm4352_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm4352:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
| cpe:2.3:o:broadcom:bcm43684_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:h:broadcom:bcm43684:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Broadcom |
- cpe:2.3:o:broadcom:bcm4352_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm4352:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
- cpe:2.3:o:broadcom:bcm43684_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:h:broadcom:bcm43684:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Broadcom
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34174
- 2026-10-03 Alias added: GHSA-hffm-p5pg-4828
References
Exploit 1
Advisory 1
Sources
- CVE-2021-34174 · CVE Program
- CVE-2021-34174 · NVD
- FIRST EPSS
- GHSA-hffm-p5pg-4828 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences