CVE-2026-3613CWE-119CWE-121

Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow

High · published March 6, 2026

CVSS v4.0
8.6
EPSS
1%
Percentile
68.0
In the wild
Unconfirmed
What it is

A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS: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
EPSS
0.01200 · 68.0th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-03-06T01:02Z
EPSS history
Timeline
  • 06 MAR 01:02Z
    Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow
    cvelistv5