Edimax BR-6428NS Buffer Overflow Vulnerability in POST Request Handler

Vulnerability

A buffer overflow vulnerability has been identified in the Edimax BR-6428NS router, specifically in version 1.10. The issue arises in the POST request handler, within the function 'formWanTcpipSetup'. The vulnerability can be exploited remotely by manipulating the 'pppUserName' argument, leading to potential unauthorized memory access or code execution. Public exploits for this vulnerability are available.

Impact

Exploitation of this vulnerability leads to a buffer overflow, which can commonly result in arbitrary code execution or causing the device to crash.

Added: May 26, 2026, 1:50 PM
Updated: May 26, 2026, 1:50 PM

Vulnerability Rating

Custom Algorithm
spread
0.3
impact
3.1
exploitability
9.1
remediation
0.0
relevance
9.2
threat
6.4
urgency
2.9
incentive
8.3

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.