CVE-2026-4526 | In EmberZNet v9.0.2 and earlier, malformed global ZCL messag… | CVSS 7.1 HIGH

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.

Metadata

CVE ID: CVE-2026-4526
State: PUBLISHED
Assigner: Silabs
Reserved: 2026-03-20 18:28 UTC
Published: 2026-06-25 13:32 UTC
Last updated: 2026-06-25 14:04 UTC
Primary CWE: CWE-125
CWE-125: Out-of-bounds Read, CWE-130: Improper Handling of …
Vendor / Product: Silicon Labs / EmberZNet
Sources: cve.org · NVD

Severity & Metrics

7.1 HIGH CVSS 4.0

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Silicon Labs	EmberZNet	—	0 ≤ 9.0.2

Weakness (CWE)

CWE	Source	Description
CWE-125	cna	CWE-125: Out-of-bounds Read, CWE-130: Improper Handling of Length Parameter Inconsistency

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.1	HIGH	4.0	cna	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

References (2)