Buffer overflow in Silabs Emberznet
CVE-2026-47150
In EmberZNet v9.0.2 and earlier, malformed IAS Zone enrollment messages can trigger an out-of-bounds state-table write and terminate the process. The size and location of this write is limited. These messages must come from a device that has already joined the network. Only devices supporting the IAS Zone cluster may be impacted.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Silabs Emberznet
- Silicon Labs Emberznet — versions 0
Weakness classification (CWE)
References
- siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm000… (Permissions Required, vendor-advisory, permissions-required)
- github.com/SiliconLabsSoftware/sisdk-release/ (patch, Not Applicable)
Frequently asked questions
- What is CVE-2026-47150?
- CVE-2026-47150 is a high-severity vulnerability in Silabs Emberznet, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-06-25.
- How severe is CVE-2026-47150?
- High severity. CVSS v3 base score is 7.1 out of 10.