CVE-2026-66282: CWE-674 Uncontrolled Recursion in Silicon Labs EmberZNet
Description
CVE-2026-66282 is a medium severity vulnerability in Silicon Labs EmberZNet versions up to 9.1.1. It involves uncontrolled recursion triggered by a malformed Publish Billing Period command from devices supporting the Price Cluster that have joined the network. This recursive call lacks a proper end condition, potentially causing a denial of service.
CVSS v4.0
Score 6.0medium
Affected software
Silicon Labs
EmberZNet
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
In EmberZNet versions 9.1.1 and earlier, a malformed Publish Billing Period command can cause a recursive function call that never terminates. This vulnerability affects only devices that have joined the network and support the Price Cluster. The uncontrolled recursion can lead to resource exhaustion or denial of service. The CVSS 4.0 base score is 6.0, indicating medium severity. There is no indication of known exploits in the wild. No patch or remediation information is provided in the available data.
Potential Impact
The vulnerability can cause a denial of service condition due to infinite recursion when processing a malformed Publish Billing Period command. This impacts devices supporting the Price Cluster that have joined the network. No information about data confidentiality or integrity impact is provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict network access to trusted devices only and monitor for malformed Publish Billing Period commands from devices supporting the Price Cluster.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Silabs
- Date Reserved
- 2026-07-24T13:33:53.357Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ada17294d27ba8daa5b44b6
Added to database: 10/22/2026, 14:01:13 UTC
Last enriched: 10/22/2026, 14:15:31 UTC
Last updated: 10/22/2026, 17:15:45 UTC
Views: 8
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