CVE-2026-8191: Wavlink NU516U1 adm.cgi wifi_region os command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.7% 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 identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. Such manipulation of the argument skiplist1/skiplist2 leads to os command injection. The attack can be launched remotely. The exploit is publicly available and might 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_4/4.md
https://vuldb.com/submit/800730
https://vuldb.com/vuln/362343
https://vuldb.com/vuln/362343/cti

Get alerted when CVE-2026-8191 or the next vulnerability affects your stack