Is CVE-2023-39541 actively exploited?

No active exploitation of CVE-2023-39541 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-39541 be exploited remotely?

Yes. CVE-2023-39541 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-39541?

CVE-2023-39541 has a CVSS score of 5.9 (MEDIUM).

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MEDIUM

CVE-2023-39541

CWE-126Published: February 20, 2024· Updated: Jun 17, 2026

5.9

CVSS v3.1

Official Description

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 IPv6 ICMPv6 packet.

NVD Source

Technical Analysis

CVE-2023-39541 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 availability disruption (denial of service), with a CVSS base score of 5.9.