CVE-2026-8191

MEDIUM

Wavlink NU516U1 adm.cgi wifi_region os command injection

Title source: cna

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.

References (4)

Core 4

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-362343 | Wavlink NU516U1 adm.cgi wifi_region os command injection

https://vuldb.com/vuln/362343

Signature, Permissions Required signature permissions-required

VDB-362343 | CTI Indicators (IOB, IOC, TTP, IOA)

https://vuldb.com/vuln/362343/cti

Third Party Advisory third-party-advisory

Submit #800730 | Wavlink NU516U1 M16U1_V240425 Command Injection

https://vuldb.com/submit/800730

Exploit exploit

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_4/4.md

View Exploit ZIP pw:eip

Scores

CVSS v3 6.3

EPSS 0.0009

EPSS Percentile 25.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-77 CWE-78

Status published

Products (2)

Wavlink/NU516U1 M16U1_V240425

wavlink/wl-nu516u1_firmware m16u1_v240425

Published May 09, 2026

Tracked Since May 10, 2026