CVE-2026-4526
Global ZCL command parser missing minimum-length validation in EmberZNet v9.0.2
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.
INFO
Published Date :
June 25, 2026, 1:32 p.m.
Last Modified :
June 25, 2026, 1:32 p.m.
Remotely Exploit :
Yes !
Source :
Silabs
Affected Products
The following products are affected by CVE-2026-4526
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 030b2754-1501-44a4-bef8-48be86a33bf4 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update EmberZNet to version 9.0.3 or later.
- Apply security patches provided by the vendor.
- Validate parsing logic for ZCL messages.
- Monitor network traffic for malformed messages.
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CVE-2026-4526 vulnerability anywhere in the article.