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CVE-2023-2686

29
FAUCET Score

CVE-2023-2686 describes a critical buffer overflow vulnerability (CWE-120) within the Wi-Fi Commissioning MicriumOS example of Silicon Labs Gecko SDK v4.2.3 and earlier. This flaw allows an attacker on the same network to write arbitrary data onto the stack, potentially leading to remote code execution, denial of service, or information disclosure. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network without user interaction or privileges. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape despite its high severity.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.3CPE matchmatch criteria
cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 35th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.silabs.com / sfc/servlet.shepherd/document/download/0698Y00000U2sFvQAJ
Permissions Required
github.com / SiliconLabs/gecko_sdk/releases
Release Notes