CVE-2026-8191CWE-77CWE-78

Wavlink NU516U1 adm.cgi wifi_region os command injection

Medium · published May 9, 2026

CVSS v4.0
5.3
EPSS
9%
Percentile
95.0
In the wild
Unconfirmed
What it is

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. Such manipulation of the argument skiplist1/skiplist2 leads to os command injection. The attack can be launched 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
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.08508 · 95.0th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-05-09T18:15Z
EPSS history
Timeline
  • 09 MAY 18:15Z
    Wavlink NU516U1 adm.cgi wifi_region os command injection
    cvelistv5