CVE-2026-47150 IAS Zone enroll invalid table index and write in EmberZNet 9.0.2

High 7.1 Published Updated

Malformed IAS Zone messages cause out-of-bounds writes and process termination in EmberZNet, requiring network-joined attacker access.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-47150?

CVE-2026-47150 is a high-severity memory corruption vulnerability in Silicon Labs EmberZNet, published on 25 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-787

Which versions are affected by CVE-2026-47150?

It affects 1 product.

Products include Silabs Emberznet.

How do I fix CVE-2026-47150?

No fix has been published for CVE-2026-47150 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-47150 being exploited?

There is no known exploitation of CVE-2026-47150 in the wild and no public exploit code.

Sources

Also known as GHSA-w2c5-vjq8-v8hc.

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