---
id: CVE-2026-120198
title: WAVLINK WL-WN530BE1-A protocol.csp con_check_read_finish command injection
summary: >-
  A vulnerability has been found in WAVLINK WL-WN530BE1-A V251117. Affected is
  the function con_check_read_finish of the file /protocol.csp. Such
  manipulation of the argument group_name/IP-FROM leads to command injection. It
  is possible to…
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-77
  - CWE-74
vendor: WAVLINK
product: WL-WN530BE1-A
affected:
  - WL-WN530BE1-A V251117
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-11-02T14:20:05.950832Z'
exploitAvailable: true
published: '2026-11-01'
updated: '2026-11-02'
sourceUpdated: '2026-11-02T14:20:19.342Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120198'
references:
  - url: 'https://vuldb.com/vuln/429561'
    label: >-
      VDB-429561 | WAVLINK WL-WN530BE1-A protocol.csp con_check_read_finish
      command injection
  - url: 'https://vuldb.com/vuln/429561/cti'
    label: 'VDB-429561 | CTI Indicators (IOB, IOC, TTP, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-120198'
    label: CVE-2026-120198 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/918551'
    label: 'Submit #918551 | WAVLINK WL-WN530BE1-A V251117 CWE-77'
  - url: 'https://github.com/pipiyyb/cve/blob/main/WN530BE1.md'
tags:
  - cve.org
  - exploit-available
epss: 0.0207
epssPercentile: 0.81484
ingestedAt: '2026-11-05T19:30:42.649Z'
---

## Overview

A vulnerability has been found in WAVLINK WL-WN530BE1-A V251117. Affected is the function con_check_read_finish of the file /protocol.csp. Such manipulation of the argument group_name/IP-FROM leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

## Affected

- `WL-WN530BE1-A V251117`

## Remediation

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