---
id: CVE-2026-120282
title: WAVLINK WN536AX6-A protocol.csp host_black os command injection
summary: >-
  A vulnerability was determined in WAVLINK WN536AX6-A V260507. This impacts the
  function host_black of the file /protocol.csp. This manipulation of the
  argument mac causes os command injection. Remote exploitation of the attack is
  possibl…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/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
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-02T17:16:05.358463Z'
exploitAvailable: true
published: '2026-11-02'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T17:40:00.155Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120282'
references:
  - url: 'https://vuldb.com/vuln/429626'
    label: >-
      VDB-429626 | WAVLINK WN536AX6-A protocol.csp host_black os command
      injection
  - url: 'https://vuldb.com/vuln/429626/cti'
    label: 'VDB-429626 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120282'
    label: CVE-2026-120282 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/919791'
    label: 'Submit #919791 | WAVLINK WN536AX6 V260507 CWE-78'
  - url: >-
      https://github.com/pipiyyb/cve/blob/main/WAVLINK%20WN536AX6-A/WN536AX6-A_mac.md
tags:
  - cve.org
  - exploit-available
epss: 0.01652
epssPercentile: 0.7661
ingestedAt: '2026-11-05T19:30:42.740Z'
---

## Overview

A vulnerability was determined in WAVLINK WN536AX6-A V260507. This impacts the function host_black of the file /protocol.csp. This manipulation of the argument mac causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

## Affected

- `WN536AX6-A V260507`

## Remediation

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