CVE-2026-2567

HIGH

Wavlink WL-NU516U1 20251208 - Buffer Overflow

Title source: llm

Description

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.

Scores

CVSS v3 7.2
EPSS 0.0009
EPSS Percentile 26.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-121 CWE-119 CWE-787
Status published

Affected Products (1)

wavlink/wl-nu516u1_firmware < 2025-12-08

Timeline

Published Feb 16, 2026
Tracked Since Feb 18, 2026