CVE-2026-47147
High
Description
In EmberZNet v9.0.2 and earlier, malformed OTA requests can drive the OTA server parser into out-of-bounds reads. A limited amount of data from RAM is read back to the requester. The size and location of this data is limited. These requests must come from a device that has already joined the network. Only devices supporting the OTA Server cluster may be impacted.
SeverityHigh
CVSS7.1
Exploit probability—
ProductSilabs Emberznet
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| silabs emberznet | v ≤ 9.0.2 | — |
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