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…

Critical9.8EPSS 0.76%

Published: 15 Jun 2023
Updated: 12 Dec 2024
Reserved: 12 May 2023
Assigned by: Silabs

Description

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.

Scores

CVSS scores of CVE-2023-2686, by who scored it
Scored by	CVSS	Score	Vector
SilabsCNA (assigner)	3.1	Critical9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified	3.1	Critical9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (exploitation in 30 days): 0.76% · top 44% of all CVEs (7 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: yes · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (opens in a new tab)All about CWE-120 and its CVEs

Affected products

silabs.com · Gecko Platform
- affected ≤ 4.2.3

References (2)

https://github.com/SiliconLabs/gecko_sdk/releases (opens in a new tab)patchx_transferred
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U2sFvQAJ?operationContext=S1 (opens in a new tab)vendor-advisoryx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated 12 Dec 2024, 16:17 UTC.