VULNERABILITY INTELLIGENCE

CVE-2025-23018

CVSS score5.4 MEDIUM
EPSS probability1.03%
CISA KEVNot currently listed
Published2025-01-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

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.

Weakness classification

  • cve@mitre.org: CWE-940
  • nvd@nist.gov: NVD-CWE-Other

Primary references