CVE-2026-8188: Wavlink NU516U1 adm.cgi change_wifi_password os command injection

Published May 9, 2026

Updated

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.

Affected Software

2 affected components

Wavlink NU516U1=M16U1_V240425

Wavlink WL-NU516U1

Event History

May 9, 2026

CVE Published

via MITRE·03:15 PM

Data Sourced

via MITRE·03:15 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·04:16 PM

DescriptionSeverityWeaknessAffected Software

Oct 13, 58358

Event

via FIRST·09:00 PM

Frequently Asked Questions

What is the severity of CVE-2026-8188?

CVE-2026-8188 is considered a high severity vulnerability due to potential os command injection risks.

How do I fix CVE-2026-8188?

To fix CVE-2026-8188, update the Wavlink NU516U1 to the latest firmware version provided by the vendor.

What systems are affected by CVE-2026-8188?

CVE-2026-8188 affects the Wavlink NU516U1 model running the M16U1_V240425 firmware version.

What kind of attack can be executed through CVE-2026-8188?

CVE-2026-8188 allows attackers to perform remote os command injection, potentially compromising the device.

Where can I find more information about CVE-2026-8188?

More detailed information about CVE-2026-8188 can typically be found through official security advisories or vulnerability databases.

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