CVE-2025-30195— A crafted zone can lead to an illegal memory access in the PowerDNS Recursor
Quick assessment
Affected
PowerDNS Recursor
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.
PowerDNS Recursor（pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。 PowerDNS Recursor 5.2.0版本存在安全漏洞，该漏洞源于处理特定资源记录集时导致非法内存访问，可能造成拒绝服务。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-30195
Vulnerability Information
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Vulnerability Title
A crafted zone can lead to an illegal memory access in the PowerDNS Recursor
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker can publish a zone containing specific Resource Record Sets. Processing and caching results for these sets can lead to an illegal memory accesses and crash of the Recursor, causing a denial of service.
The remedy is: upgrade to the patched 5.2.1 version.
We would like to thank Volodymyr Ilyin for bringing this issue to our attention.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
PowerDNS Recursor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PowerDNS Recursor（pdns_recursor）是荷兰PowerDNS公司的一款域名解析服务器。 PowerDNS Recursor 5.2.0版本存在安全漏洞，该漏洞源于处理特定资源记录集时导致非法内存访问，可能造成拒绝服务。
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
II. Public POCs for CVE-2025-30195
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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V. Comments for CVE-2025-30195
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