CVE-2022-24938 Malformed Zigbee packet causes Assert in EmberZNet 7.0.1 or earlier
A malformed Zigbee packet triggers a stack overflow and assert, causing a device reset and denial of service in EmberZNet.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-24938?
CVE-2022-24938 is a medium-severity denial of service vulnerability in silabs.com Ember ZNet, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A malformed packet causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.
Which versions are affected by CVE-2022-24938?
It affects 1 product.
Products include Silabs Emberznet.
How do I fix CVE-2022-24938?
No fix has been published for CVE-2022-24938 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-2022-24938 being exploited?
There is no known exploitation of CVE-2022-24938 in the wild and no public exploit code.
Other vulnerabilities in silabs.com Ember ZNet
- CVE-2023-41094 Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet
- CVE-2026-85079 Out-of-bounds write in Zigbee Simple_Desc_req handling
- CVE-2026-94502 Out-of-bounds write in Zigbee Publish Price Matrix handling
- CVE-2026-4526 Global ZCL command parser missing minimum-length validation in EmberZNet v9.0.2
- CVE-2026-47145 Color Control hue/saturation assertion abort in EmberZNet v9.0.2
Sources
Also known as GHSA-3m32-6wcp-37fq.