What is CVE-2022-24939?

CVE-2022-24939 is a medium-severity vulnerability in Silabs Gecko Software Development Kit, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.7/10. Published 2022-11-18.

How severe is CVE-2022-24939?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Buffer overflow in Silabs Gecko Software Development Kit

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.

Vulnerability class: Buffer Overflow

Published 2022-11-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

github.com/SiliconLabs/gecko_sdk (Third Party Advisory)
siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y000… (Permissions Required, Vendor Advisory)

Frequently asked questions

What is CVE-2022-24939?: CVE-2022-24939 is a medium-severity vulnerability in Silabs Gecko Software Development Kit, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.7/10. Published 2022-11-18.
How severe is CVE-2022-24939?: Medium severity. CVSS v3 base score is 5.7 out of 10.