Out-of-bounds Read in Silabs Emberznet
CVE-2026-47147
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 request…
Vulnerability class: Buffer Overflow
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:L/I:N/A:H.
Affected products
- Silabs Emberznet
- Silicon Labs Emberznet — versions 0
Weakness classification (CWE)
References
- product-security@silabs.com (Permissions Required, vendor-advisory, permissions-required)
- product-security@silabs.com (patch, Not Applicable)
Frequently asked questions
- What is CVE-2026-47147?
- CVE-2026-47147 is a high-severity vulnerability in Silabs Emberznet, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-06-25.
- How severe is CVE-2026-47147?
- High severity. CVSS v3 base score is 7.1 out of 10.