CVE-2026-3661

low · 2

A flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

CVSS

17.5%

EPSS (exploit prob.)

97th

EPSS percentile

2026-03-07

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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

Weaknesses

CWE-74CWE-77

Affected products

Vendor	Product	Affected versions
wavlink	wl-nu516u1_firmware	m16u1_v240425
wavlink	wl-nu516u1	all versions

Check a specific version with /api/v1/cve/match.

References

https://github.com/jinhao118/cve/blob/main/WAVLINK_1.md
https://vuldb.com/?ctiid.349550
https://vuldb.com/?id.349550
https://vuldb.com/?submit.758227

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-3661