---
id: CVE-2026-8230
title: A flaw has been found in Wavlink NU516U1 240425
summary: >-
  A flaw has been found in Wavlink NU516U1 240425. The impacted element is the
  function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation
  of the argument ipaddr can lead to os command injection. The attack can be
  executed…
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
  - 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-2026-8230'
references:
  - url: 'https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_9/9.md'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/800735'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362447'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/362447/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.05909
epssPercentile: 0.92911
ingestedAt: '2026-07-24T07:21:21.115Z'
---

## Overview

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. 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.