CVE-2026-4526

Global ZCL command parser missing minimum-length validation in EmberZNet v9.0.2

Published Jun 25, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
In EmberZNet v9.0.2 and earlier, malformed global ZCL messages can trigger out-of-bounds reads in framework parsing logic and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Silicon Labs
Silicon Labs emberznet
Vendors & Products Silicon Labs
Silicon Labs emberznet
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In EmberZNet v9.0.2 and earlier, malformed global ZCL messages can trigger out-of-bounds reads in framework parsing logic and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed.
Title Global ZCL command parser missing minimum-length validation in EmberZNet v9.0.2
Weaknesses CWE-125
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Silabs
Published
Updated
Jun 25, 2026, 2:04 PM
Reserved
Mar 20, 2026, 6:28 PM
Status
Analyzed
Published
Jun 25, 2026, 2:16 PM
Modified
Oct 25, 2026, 11:10 PM