---
id: CVE-2026-120276
title: WAVLINK WN536AX6-A Web Management ioos sub_416760 os command injection
summary: >-
  A weakness has been identified in WAVLINK WN536AX6-A V260507_2.0.0. This
  vulnerability affects the function sub_416760 of the file /bin/ioos of the
  component Web Management Interface. This manipulation of the argument
  group_name causes o…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'
cvssSource: cna
cwe:
  - CWE-78
  - CWE-77
vendor: WAVLINK
product: WN536AX6-A
affected:
  - WN536AX6-A V260507_2.0.0
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-11-05T15:51:02.934145Z'
exploitAvailable: true
published: '2026-11-01'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T15:51:17.093Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120276'
references:
  - url: 'https://vuldb.com/vuln/429620'
    label: >-
      VDB-429620 | WAVLINK WN536AX6-A Web Management ioos sub_416760 os command
      injection
  - url: 'https://vuldb.com/vuln/429620/cti'
    label: 'VDB-429620 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120276'
    label: CVE-2026-120276 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/919502'
    label: >-
      Submit #919502 | Wavlink Router Firmware V260507_2.0.0 OS Command
      Injection
  - url: >-
      https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/WAVLINK_WN536AX6-A%20Router/WAVLINK_WN536AX6-A_openvpn_cli_group_command_injection.md
tags:
  - cve.org
  - exploit-available
epss: 0.03211
epssPercentile: 0.88215
ingestedAt: '2026-11-05T21:36:00.924Z'
---

## Overview

A weakness has been identified in WAVLINK WN536AX6-A V260507_2.0.0. This vulnerability affects the function sub_416760 of the file /bin/ioos of the component Web Management Interface. This manipulation of the argument group_name causes os command injection. It is possible to initiate the attack 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

- `WN536AX6-A V260507_2.0.0`

## Remediation

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