---
id: CVE-2026-66282
title: Authenticated Denial-of-Service in Zigbee Publish Billing Period
summary: >-
  In EmberZNet 9.1.1 and earlier, a malformed Publish Billing Period command can
  result in a recursive function call that will never reach its end condition.
  These messages must come from a device that has already joined the network.
  Only …
severity: medium
cvss: 6
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-674
vendor: Silicon Labs
product: EmberZNet
affected:
  - EmberZNet <= 9.1.1
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T13:44:08.429Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-66282'
references:
  - url: >-
      https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000590.md
tags:
  - cve.org
ingestedAt: '2026-10-22T22:00:50.271Z'
---

## Overview

In EmberZNet 9.1.1 and earlier, a malformed Publish Billing Period command can result in a recursive function call that will never reach its end condition. These messages must come from a device that has already joined the network. Only devices supporting the Price Cluster are impacted.

## Affected

- `EmberZNet <= 9.1.1`

## Remediation

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