Is CVE-2023-2686 actively exploited?

No active exploitation of CVE-2023-2686 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-2686 be exploited remotely?

Yes. CVE-2023-2686 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-2686?

CVE-2023-2686 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-2686

CWE-120Published: June 15, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

This vulnerability is a buffer overflow in the Wi-Fi Commissioning MicriumOS example within the Silicon Labs Gecko SDK. It is rated as critical with a CVSS score of 9.8, indicating that it allows an attacker to write arbitrary payloads onto the stack.

There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Users should update to a version of the Silicon Labs Gecko SDK beyond v4.2.3 to resolve the buffer overflow issue.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-2686 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.