---
id: CVE-2026-107359
title: Malformed Wi-Fi Beacon Causes Crash on WF200
summary: >-
  Improper input validation in the beacon handler for WF200 firmware versions
  3.17.0 and earlier may result in a divide-by-zero fault.
severity: high
cvss: 7.1
cvssVector: 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-369
vendor: Silicon Labs
product: WF200 FW
affected:
  - wf200_fw <= 3.17.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:04:42.303262Z'
published: '2026-11-05'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:04:49.306Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-107359'
references:
  - url: >-
      https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000593.md
tags:
  - cve.org
ingestedAt: '2026-11-05T22:38:31.694Z'
epss: 0.0022
epssPercentile: 0.12686
---

## Overview

Improper input validation in the beacon handler for WF200 firmware versions 3.17.0 and earlier may result in a divide-by-zero fault.

## Affected

- `wf200_fw <= 3.17.0`

## Remediation

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