CVE-2025-23018
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任意流量。
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I. Basic Information for CVE-2025-23018
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
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任意流量。
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
II. Public POCs for CVE-2025-23018
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News Coverage for CVE-2025-23018 (1)
Other References for CVE-2025-23018 (1)
IV. Related Vulnerabilities
Same product: IPv6
Same vendor: IETF
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V. Comments for CVE-2025-23018
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