CVE-2023-39540 MEDIUM

CVE-2023-39540

Vendor Silicon Labs
Product Gecko Platform
Weakness CWE-126
Published February 20, 2024
Last update November 4, 2025

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet.

Key dates

02Disclosure timeline

February 20, 2024 CVE published
November 4, 2025 Record updated