CVE-2026-8189: Wavlink NU516U1 adm.cgi wzdrepeater os command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.8% 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 was found in Wavlink NU516U1 M16U1_V240425. Affected by this vulnerability is the function wzdrepeater of the file /cgi-bin/adm.cgi. The manipulation of the argument wlan_bssid/sel_Automode/sel_EncrypTyp results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could 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_2/2.md
https://vuldb.com/submit/800728
https://vuldb.com/vuln/362341
https://vuldb.com/vuln/362341/cti

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