CVE-2023-51393

Potential DoS due to BusFault and Assert in Ember ZNet legacy packet buffer

State: Published
Severity: 5.3 Medium
Published: Feb 23, 2024
Updated: Apr 22, 2025
Reserved: Dec 18, 2023

Description

Due to an allocation of resources without limits, an uncontrolled resource consumption vulnerability exists in Silicon Labs Ember ZNet SDK prior to v7.4.0.0 (delivered as part of Silicon Labs Gecko SDK v4.4.0) which may enable attackers to trigger a bus fault and crash of the device, requiring a reboot in order to rejoin the network.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	Silabs

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
Ember ZNet SDKsilabs.com	before 7.4.0.0Not affected

References

https://community.silabs.com/068Vm000001NaAM

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