Buffer Overflow Vulnerability in Edimax BR-6428nC Router
CVE-2026-7684

8.7HIGH

Key Information:

Vendor

Edimax

Status
Vendor
CVE Published:
3 May 2026

Badges

๐Ÿ‘พ Exploit Exists

What is CVE-2026-7684?

A security flaw has been identified in the Edimax BR-6428nC router, specifically in the file /goform/setWAN, affecting all versions up to 1.16. The vulnerability allows an attacker to exploit the argument pptpDfGateway, which could lead to a buffer overflow. This exploitation can be executed remotely, posing significant security risks. Edimax was notified of the vulnerability disclosure but has not responded. The potential for exploitation highlights the urgent need for users to assess their security measures and apply appropriate updates.

Affected Version(s)

BR-6428nC 1.0

BR-6428nC 1.1

BR-6428nC 1.2

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

tian (VulDB User)
VulDB CNA Team
.