CVE-2022-24939

Name: CVE-2022-24939
Creator: NVD / NIST
Published: 2022-11-18T00:15:09.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2022-24939 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error. . EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.33%

24.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	Gecko Software Development Kit	All versions
Silabs	Zigbee Emberznet	All versions

References

https://github.com/SiliconLabs/gecko_sdkThird Party Advisory
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000IWDCwQAP?operationContext=S1Permissions Required, Vendor Advisory
https://github.com/SiliconLabs/gecko_sdkThird Party Advisory
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000IWDCwQAP?operationContext=S1Permissions Required, Vendor Advisory

Timeline

Published: Nov 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24939?

A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.

How severe is CVE-2022-24939?

CVE-2022-24939 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24939?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-24939?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST