---
id: CVE-2026-8227
title: A weakness has been identified in Wavlink NU516U1 240425
summary: >-
  A weakness has been identified in Wavlink NU516U1 240425. This issue affects
  the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes
  os command injection. The attack may be initiated remotely. The exploit has
  been m…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-77
  - CWE-78
vendor: wavlink
product: wl-nu516u1_firmware
affected:
  - wl-nu516u1_firmware = m16u1_v240425
published: '2026-05-10'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8227'
references:
  - url: 'https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_6/6.md'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/800732'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362444'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362444/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.08508
epssPercentile: 0.94847
ingestedAt: '2026-07-24T07:21:21.039Z'
---

## Overview

A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

## Affected

- `wl-nu516u1_firmware = m16u1_v240425`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.