What is CVE-2023-2686?

CVE-2023-2686 is a critical-severity vulnerability in Silabs.com Gecko Platform, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-06-15.

How severe is CVE-2023-2686?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Silabs.com Gecko Platform

CVE-2023-2686

Buffer overflow in Wi-Fi Commissioning MicriumOS example in Silicon Labs Gecko SDK v4.2.3 or earlier allows connected device to write payload onto the stack.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (38.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Silabs.com Gecko Platform — versions 0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/SiliconLabs/gecko_sdk/releases (patch)
community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U2sFvQAJ (vendor-advisory)

Frequently asked questions

What is CVE-2023-2686?: CVE-2023-2686 is a critical-severity vulnerability in Silabs.com Gecko Platform, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-06-15.
How severe is CVE-2023-2686?: Critical severity. CVSS v3 base score is 9.8 out of 10.