---
id: CVE-2022-24611
title: >-
  Denial of Service (DoS) in the Z-Wave S0 NonceGet protocol specification in
  Silicon Labs Z-Wave 500 series allows local attackers to block S0/S2 protected
  Z-Wave network via crafted S0 NonceGet Z-Wave packages, utilizing included but
  abs…
summary: >-
  Denial of Service (DoS) in the Z-Wave S0 NonceGet protocol specification in
  Silicon Labs Z-Wave 500 series allows local attackers to block S0/S2 protected
  Z-Wave network via crafted S0 NonceGet Z-Wave packages, utilizing included but
  abs…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
vendor: silabs
product: zm5202_firmware
affected:
  - zm5202_firmware
  - zm5101_firmware
  - sd3503_firmware
  - sd3502_firmware
  - zm5304_firmware
published: '2022-05-17'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-24611'
references:
  - url: 'https://github.com/ITSecLab-HSEL/CVE-2022-24611'
    label: cve@mitre.org
  - url: 'http://z-wave.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/ITSecLab-HSEL/CVE-2022-24611'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - exploit-available
epss: 0.00687
epssPercentile: 0.50576
ingestedAt: '2026-07-06T17:03:24.387Z'
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/ITSecLab-HSEL/CVE-2022-24611'
  checkedAt: '2026-09-25T08:20:40.301Z'
exploitAvailable: true
---

## Overview

Denial of Service (DoS) in the Z-Wave S0 NonceGet protocol specification in Silicon Labs Z-Wave 500 series allows local attackers to block S0/S2 protected Z-Wave network via crafted S0 NonceGet Z-Wave packages, utilizing included but absent NodeIDs.

## Affected

- `zm5202_firmware`
- `zm5101_firmware`
- `sd3503_firmware`
- `sd3502_firmware`
- `zm5304_firmware`

## Remediation

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