CVE-2026-8188: Wavlink Router: Unsecured WiFi Password Change Exposes System

Summary

A security flaw in the Wavlink NU516U1 router's WiFi password change function allows hackers to execute malicious commands on the system. This means that an attacker can remotely access and control the router. It's recommended that users update their router's software to the latest version to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions
wavlink	wl-nu516u1_firmware	m16u1_v240425 `cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:::::::*`

Original title

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/Encr...

Original description

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

nvd CVSS2.0 6.5

nvd CVSS3.1 6.3

nvd CVSS4.0 2.1

Vulnerability type

CWE-77 Command Injection

CWE-78 OS Command Injection