What is CVE-2026-7684?

CVE-2026-7684 is a high-severity vulnerability in Edimax Br-6428nc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-03.

How severe is CVE-2026-7684?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Edimax Br-6428nc

CVE-2026-7684

A security vulnerability has been detected in Edimax BR-6428nC up to 1.16. This impacts an unknown function of the file /goform/setWAN. Such manipulation of the argument pptpDfGateway leads to buffer overflow. The attack can be launched r…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (16.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Edimax Br-6428nc — versions 1.0, 1.1, 1.2

Weakness classification (CWE)

References

VDB-360843 | Edimax BR-6428nC setWAN buffer overflow (technical-description, vdb-entry)
VDB-360843 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #801599 | Edimax BR-6428nC v1.16 Buffer Overflow (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-7684?: CVE-2026-7684 is a high-severity vulnerability in Edimax Br-6428nc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-05-03.
How severe is CVE-2026-7684?: High severity. CVSS v3 base score is 8.8 out of 10.