CVE-2026-2567: A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a…

PriorityP358high7.2CVSS 3.1

AVNACLPRHUINSUCHIHAH

EPSS

0.66%

47.0th percentile

A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
wavlink	wl-nu516u1	—	—
wavlink	wl-nu516u1_firmware	<= 2025-12-08	—

CVSS provenance

nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv4.07.3HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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

nvdv2.08.3HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C

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