Wavlink WL-WN579A3 Command Injection Vulnerability in Wireless.cgi

Vulnerability

A command injection vulnerability has been identified in the Wavlink WL-WN579A3 router, specifically in versions through 20210219. The issue arises in the Delete_Mac_list function within the /cgi-bin/wireless.cgi file. The vulnerability can be exploited remotely by manipulating the delete_list parameter, allowing for unauthorized command execution on the device.

Impact

Exploitation of this vulnerability allows for arbitrary command execution on the affected device.

Reproduction

To reproduce this vulnerability, send a POST request to the /cgi-bin/wireless.cgi endpoint with the page parameter set to Delete_Mac_list and the delete_list parameter containing the payload for command execution. The device will execute the injected command with system privileges.

Added: Feb 16, 2026, 2:32 AM
Updated: Feb 16, 2026, 2:32 AM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
8.7
remediation
0.0
relevance
3.1
threat
6.4
urgency
2.9
incentive
4.2

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