CVE-2026-7684: Edimax BR-6428nC setWAN buffer overflow

Published May 3, 2026
·
Updated

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 remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

1 affected component
Edimax BR-6428nC<=1.16

Event History

May 3, 2026
CVE Published
via MITRE·06:45 AM
Data Sourced
via MITRE·06:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeakness
Mar 11, 58323
Event
via FIRST·05:55 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-7684?

CVE-2026-7684 is a high-severity vulnerability due to the potential for remote exploitation via buffer overflow.

2

How do I fix CVE-2026-7684?

To fix CVE-2026-7684, update the Edimax BR-6428nC firmware to the latest version beyond 1.16.

3

What are the risks associated with CVE-2026-7684?

The risks include unauthorized remote access, system crashes, and potential data breaches due to the buffer overflow.

4

Can CVE-2026-7684 be exploited remotely?

Yes, CVE-2026-7684 can be exploited remotely by malicious actors targeting the affected function.

5

What versions of Edimax BR-6428nC are affected by CVE-2026-7684?

Edimax BR-6428nC firmware versions up to and including 1.16 are affected by CVE-2026-7684.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203