CVE-2022-24937 Malformed Zigbee packet causes Assert in EmberZNet 7.0.0 or earlier
A malformed Zigbee packet triggers a buffer overflow and assertion failure in Silicon Labs EmberZNet, causing a denial of service.
- 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-2022-24937?
CVE-2022-24937 is a medium-severity memory corruption vulnerability in Silicon Labs 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
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Silicon Labs Ember ZNet allows Overflow Buffers.
Weakness: CWE-119
Which versions are affected by CVE-2022-24937?
It affects 1 product.
Products include Silabs Emberznet.
How do I fix CVE-2022-24937?
No fix has been published for CVE-2022-24937 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-2022-24937 being exploited?
There is no known exploitation of CVE-2022-24937 in the wild and no public exploit code.
Other vulnerabilities in Silicon Labs 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-636v-fj74-g872.