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CVE-2025-58066— DoS Vulnerability in ntpd-rs

Quick assessment

Affected
pendulum-project ntpd-rs
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.

ntpd-rs是Project Pendulum开源的一款用于同步计算机时钟的工具，可实现 NTP 和 NTS 协议。 ntpd-rs 1.2.0至1.6.1版本存在安全漏洞，该漏洞源于允许非NTS流量，可能导致拒绝服务攻击。

CVSS 5.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-58066

Vulnerability Information
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Vulnerability Title
DoS Vulnerability in ntpd-rs
Source: CVE Program / CVE List V5
Vulnerability Description
nptd-rs is a tool for synchronizing your computer's clock, implementing the NTP and NTS protocols. In versions between 1.2.0 and 1.6.1 inclusive servers which allow non-NTS traffic are affected by a denial of service vulnerability, where an attacker can induce a message storm between two NTP servers running ntpd-rs. Client-only configurations are not affected. Affected users are recommended to upgrade to version 1.6.2 as soon as possible.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对网络消息容量的控制不充分(网络放大攻击)
Source: CVE Program / CVE List V5
Vulnerability Title
ntpd-rs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ntpd-rs是Project Pendulum开源的一款用于同步计算机时钟的工具，可实现 NTP 和 NTS 协议。 ntpd-rs 1.2.0至1.6.1版本存在安全漏洞，该漏洞源于允许非NTS流量，可能导致拒绝服务攻击。
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
pendulum-project ntpd-rs >= 1.2.0, < 1.6.2 -

II. Public POCs for CVE-2025-58066

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III. Intelligence Information for CVE-2025-58066

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IV. Related Vulnerabilities

Same product: ntpd-rs
Same vendor: pendulum-project
Same weakness: CWE-406

V. Comments for CVE-2025-58066

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