Edimax BR-6478AC Buffer Overflow Vulnerability in POST Request Handler

Vulnerability

A buffer overflow vulnerability has been identified in the Edimax BR-6478AC router, specifically in version 1.23. The issue arises in the POST request handler within the 'formQoS' function, where the 'selSSID' argument can be manipulated, leading to memory corruption. This vulnerability can be exploited remotely, and public exploits 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 30, 2026, 5:18 PM
Updated: May 30, 2026, 5:18 PM

Vulnerability Rating

Custom Algorithm
spread
4.5
impact
0.6
exploitability
9.1
remediation
0.0
relevance
9.4
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.