CVE-2026-4166

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.

Score

CVSS 4.0 5.1 Medium

Status

Deferred - cna@vuldb.com

Published

2026-03-16

Last modified

2026-03-17

Weaknesses

CWE-79, CWE-94

Affected products

• Wl-nu516u1 Firmware (Wavlink)

References

• https://github.com/Litengzheng/vul_db/blob/main/WL-NU516U1/vul_14/README.md
• https://github.com/Litengzheng/vul_db/blob/main/WL-NU516U1/vul_15/README.md
• https://vuldb.com/?ctiid.351073
• https://vuldb.com/?id.351073
• https://vuldb.com/?submit.769652
• https://vuldb.com/?submit.769653