CVE-2025-30192

HIGH EPSS 13.6%

Published Jul 21, 202511mo ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published Jul 21, 2025 11mo ago

Last Modified Jun 17, 2026 2w ago

Description

An attacker spoofing answers to ECS enabled requests sent out by the Recursor has a chance of success higher than non-ECS enabled queries. The updated version include various mitigations against spoofing attempts of ECS enabled queries by chaining ECS enabled requests and enforcing stricter validation of the received answers. The most strict mitigation done when the new setting outgoing.edns_subnet_harden (old style name edns-subnet-harden) is enabled.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

13.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-345

References 1

docs.powerdns.com https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-04.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.