CVE-2026-47154 Simple Metering GetProfileResponse interval-bounds bug in EmberZNet v9.0.2

High 7.1 Published 25 Jun 2026 Updated 25 Jun 2026

A malformed message from a joined device causes out-of-bounds reads and process termination in Simple Metering clusters, requiring a patch.

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-2026-47154?

CVE-2026-47154 is a high-severity denial of service 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, a malformed GetProfileResponse message can trigger out-of-bounds reads while iterating interval entries and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed. Only devices supporting the Simple Metering cluster may be impacted.

Weakness: CWE-125

Which versions are affected by CVE-2026-47154?

It affects 1 product.

Products include Silabs Emberznet.

How do I fix CVE-2026-47154?

No fix has been published for CVE-2026-47154 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-47154 being exploited?

There is no known exploitation of CVE-2026-47154 in the wild and no public exploit code.

Sources

Also known as GHSA-4p3w-7rfw-j47r.