Is CVE-2025-23018 actively exploited?

No active exploitation of CVE-2025-23018 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-23018 be exploited remotely?

Yes. CVE-2025-23018 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-23018?

CVE-2025-23018 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2025-23018

CWE-940Published: January 14, 2025· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

IPv4-in-IPv6 and IPv6-in-IPv6 tunneling (RFC 2473) do not require the validation or verification of the source of a network packet, allowing an attacker to spoof and route arbitrary traffic via an exposed network interface. This is a similar issue to CVE-2020-10136.

NVD Source

Technical Analysis

CVE-2025-23018 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.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.