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CVE-2025-1207— phjounin TFTPD64 DNS denial of service

Quick assessment

Affected
phjounin TFTPD64
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.

Tftpd64是Philippe Jounin个人开发者的一个免费的、轻量级的、开源的 IPv6 就绪应用程序，它包括 DHCP、TFTP、DNS、SNTP 和 Syslog 服务器以及 TFTP 客户端。 Tftpd64 4.64版本存在安全漏洞，该漏洞源于DNS Handler组件中包含一个漏洞，可能导致拒绝服务。

CVSS 3.1 · Low EPSS 0.32% · P25
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I. Basic Information for CVE-2025-1207

Vulnerability Information
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Vulnerability Title
phjounin TFTPD64 DNS denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in phjounin TFTPD64 4.64. It has been declared as problematic. This vulnerability affects unknown code of the component DNS Handler. The manipulation leads to denial of service. The attack needs to be done within the local network. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
Tftpd64 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tftpd64是Philippe Jounin个人开发者的一个免费的、轻量级的、开源的 IPv6 就绪应用程序，它包括 DHCP、TFTP、DNS、SNTP 和 Syslog 服务器以及 TFTP 客户端。 Tftpd64 4.64版本存在安全漏洞，该漏洞源于DNS Handler组件中包含一个漏洞，可能导致拒绝服务。
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
phjounin TFTPD64 4.64 -

II. Public POCs for CVE-2025-1207

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III. Intelligence Information for CVE-2025-1207

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Vendor Advisories for CVE-2025-1207 (3)

Proof of Concept for CVE-2025-1207 (2)

IV. Related Vulnerabilities

Same vendor: phjounin
Same weakness: CWE-404

V. Comments for CVE-2025-1207

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