Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Silabs | Emberznet | <= 9.0.2 |
Related Weaknesses (CWE)
References
- https://github.com/SiliconLabsSoftware/sisdk-release/Not Applicable
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0Permissions Required
FAQ
What is CVE-2026-47147?
CVE-2026-47147 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...
How severe is CVE-2026-47147?
CVE-2026-47147 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-47147?
Check the references section above for vendor advisories and patch information. Affected products include: Silabs Emberznet.