---
id: CVE-2025-10959
title: A vulnerability has been found in Wavlink NU516U1 M16U1_V240425
summary: >-
  A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. The affected
  element is the function sub_401778 of the file /cgi-bin/firewall.cgi. Such
  manipulation of the argument dmz_flag leads to command injection. The attack
  can be …
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-74
  - CWE-77
vendor: wavlink
product: wl-nu516u1_firmware
affected:
  - wl-nu516u1_firmware = m16u1_v240425
published: '2025-09-25'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T20:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-10959'
references:
  - url: 'https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/DMZ.md'
    label: cna@vuldb.com
  - url: 'https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/DMZ.md#poc'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.325827'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.325827'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.652769'
    label: cna@vuldb.com
  - url: 'https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/DMZ.md'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: 'https://github.com/panda666-888/vuls/blob/main/wavlink/nu516u1/DMZ.md#poc'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.06556
epssPercentile: 0.9366
ingestedAt: '2026-10-12T14:50:33.996Z'
---

## Overview

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. The affected element is the function sub_401778 of the file /cgi-bin/firewall.cgi. Such manipulation of the argument dmz_flag leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `wl-nu516u1_firmware = m16u1_v240425`

## Remediation

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