CVE-2026-4166

2.0 lowEPSS 0.2%

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.

Severity

CVSS 4.0

2.0 low

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

CVSS 3.1

3.5 low

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-94
Published: 2026-03-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

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

Check your stack JSON