7.1
HIGH CVSS 4.0
CVE-2026-47147
OTA server raw parser missing per-field bounds validation in EmberZNet v9.0.2
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.

INFO

Published Date :

June 25, 2026, 1:36 p.m.

Last Modified :

June 25, 2026, 1:36 p.m.

Remotely Exploit :

Yes !

Source :

Silabs
Affected Products

The following products are affected by CVE-2026-47147 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
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
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 patch out-of-bounds reads in OTA requests.
  • Update EmberZNet to version 9.0.3 or later.
  • Apply security patches for OTA server cluster.
  • Validate OTA request handling.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-47147 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.