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CVE-2025-23019

Quick assessment

Affected
IETF IPv6
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IPv6-in-IPv4 tunneling是IETF组织的一个IPv6主机和路由器的基本转换机制。 IPv6-in-IPv4 tunneling 存在安全漏洞，该漏洞源于未验证网络数据包源，导致攻击者通过暴露的网络接口伪造并路由流量。

CVSS 5.4 · Medium EPSS 1.01% · P62

Possible ATT&CK Techniques 1 AI

T1095 · Non-Application Layer Protocol
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I. Basic Information for CVE-2025-23019

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IPv6-in-IPv4 tunneling (RFC 4213) allows an attacker to spoof and route traffic via an exposed network interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通信信道源的不正确验证
Source: CVE Program / CVE List V5
Vulnerability Title
IPv6-in-IPv4 tunneling 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IPv6-in-IPv4 tunneling是IETF组织的一个IPv6主机和路由器的基本转换机制。 IPv6-in-IPv4 tunneling 存在安全漏洞，该漏洞源于未验证网络数据包源，导致攻击者通过暴露的网络接口伪造并路由流量。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IETF IPv6 6 -

II. Public POCs for CVE-2025-23019

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III. Intelligence Information for CVE-2025-23019

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News Coverage for CVE-2025-23019 (1)

Other References for CVE-2025-23019 (1)

IV. Related Vulnerabilities

Same product: IPv6
Same vendor: IETF
Same weakness: CWE-940

V. Comments for CVE-2025-23019

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