CVE-2026-4166

LOW

Wavlink WL-NU516U1 240425 - XSS

Title source: llm
STIX 2.1

Description

A vulnerability was found in Wavlink WL-NU516U1 240425. The impacted element is the function sub_404F68 of the file /cgi-bin/login.cgi. The manipulation of the argument homepage/hostname results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

Scores

CVSS v3 3.5
EPSS 0.0004
EPSS Percentile 12.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79 CWE-94
Status published
Products (1)
Wavlink/WL-NU516U1 240425
Published Mar 16, 2026
Tracked Since Mar 16, 2026