CVE-2026-4166CWE-79CWE-94

Wavlink WL-NU516U1 login.cgi sub_404F68 cross site scripting

Medium · published March 15, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
28.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00362 · 28.8th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-03-15T05:32Z
EPSS history
Timeline
  • 15 MAR 05:32Z
    Wavlink WL-NU516U1 login.cgi sub_404F68 cross site scripting
    cvelistv5