---
id: CVE-2026-120277
title: WAVLINK WN536AX6-A WireGuard CLI Group ioos sub_41a1d8 os command injection
summary: >-
  A security vulnerability has been detected in WAVLINK WN536AX6-A
  V260507_2.0.0. This issue affects the function sub_41a1d8 of the file
  /bin/ioos of the component WireGuard CLI Group Handler. Such manipulation of
  the argument group_name l…
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
published: '2026-11-01'
updated: '2026-11-01'
sourceUpdated: '2026-11-01T23:30:19.046Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120277'
references:
  - url: 'https://vuldb.com/vuln/429621'
    label: >-
      VDB-429621 | WAVLINK WN536AX6-A WireGuard CLI Group ioos sub_41a1d8 os
      command injection
  - url: 'https://vuldb.com/vuln/429621/cti'
    label: 'VDB-429621 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120277'
    label: CVE-2026-120277 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/919503'
    label: >-
      Submit #919503 | 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_wireguard_cli_group_command_injection.md
tags:
  - cve.org
epss: 0.02451
epssPercentile: 0.84432
ingestedAt: '2026-11-05T19:30:42.615Z'
---

## Overview

A security vulnerability has been detected in WAVLINK WN536AX6-A V260507_2.0.0. This issue affects the function sub_41a1d8 of the file /bin/ioos of the component WireGuard CLI Group Handler. Such manipulation of the argument group_name leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. 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.