CVE-2025-23019 IPv6-in-IPv4 tunneling (RFC 4213) allows an attacker to spoof and route traffic via an exposed network interface

Description

IPv6-in-IPv4 tunneling (RFC 4213) allows an attacker to spoof and route traffic via an exposed network interface.

Affected products and versions

Product	Affected versions	Fixed in
IPv6	6	No fix stated

Other CVEs of IPv6

The 2 CVEs of IPv6 →

CVE-2025-23018 IPv4-in-IPv6 and IPv6-in-IPv6 tunneling (RFC 2473) do not require the validation or verification of the source of a… 5.4 Medium