CVE-2023-51394 Potential DoS for EFR32xxx parts in high traffic environments due to null buffer dereference / crash
High traffic can cause a crash in Silicon Labs Ember ZNet SDK due to a null pointer dereference, impacting device availability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-51394?
CVE-2023-51394 is a medium-severity vulnerability in silabs.com Ember ZNet SDK, published on 23 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.
Weakness: CWE-476
Which versions are affected by CVE-2023-51394?
It affects 1 product.
Products include Silabs Emberznet.
How do I fix CVE-2023-51394?
No fix has been published for CVE-2023-51394 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-51394 being exploited?
There is no known exploitation of CVE-2023-51394 in the wild and no public exploit code.
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- 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-fc74-wgp6-2pv9.