CVE-2026-4166

LOW 3.5

Wavlink WL-NU516U1 login.cgi sub_404F68 cross site scripting

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79 CWE-94
Vendor	wavlink
Product	wl-nu516u1
Published	Mar 15, 2026
Last Updated	Mar 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Wavlink / WL-NU516U1

240425

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 LtzHust2 (VulDB User) VulDB