PoC Index85,092 CVEs with PoCs

CVE-2026-4166

Wavlink WL-NU516U1 login.cgi sub_404F68 cross site scripting

LOW 2.0EPSS 0.4%

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.

Affected
Wavlink · WL-NU516U1
CVSS v4.0 VULDB
2.0 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULDB
3.5 LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v2.0 VULDB
4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N
EPSS
0.36% chance of exploitation in the next 30 days, 29th percentile
Published
2026-03-15
Updated
2026-03-17

Proof-of-concept exploits (1)

References