What is CVE-2023-41094?

CVE-2023-41094 is a critical-severity vulnerability in Silabs Emberznet, classified under Improper Verification of Source of a Communication Channel. CVSS score: 10.0/10. Published 2023-10-04.

How severe is CVE-2023-41094?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Silabs Emberznet

CVE-2023-41094

TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing Release of Resource after Effective Lifetime may allow a device to be added outside of valid TouchLink range or pairing duration This issue affects Ember ZNet 7.1.x from 7.1.3 through 7.1.5; 7.2.x from 7.2.0 through 7.2.3; Version 7.3 and later are unaffected

Published 2023-10-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Silabs Emberznet
Silicon Labs Ember Znet — versions 7.1.3, 7.2.0, 7.3.0

Weakness classification (CWE)

References

community.silabs.com/0688Y00000aIPzL (Permissions Required)

Frequently asked questions

What is CVE-2023-41094?: CVE-2023-41094 is a critical-severity vulnerability in Silabs Emberznet, classified under Improper Verification of Source of a Communication Channel. CVSS score: 10.0/10. Published 2023-10-04.
How severe is CVE-2023-41094?: Critical severity. CVSS v3 base score is 10.0 out of 10.