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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-09 · updated 2026-07-24
Weakness: CWE-77

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.

Affected products

Wavlink NU516U1: m16u1_v240425

References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_1/1.md
https://vuldb.com/submit/800727
https://vuldb.com/vuln/362340
https://vuldb.com/vuln/362340/cti

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