CVE-2025-30192

A Recursor configured to send out ECS enabled queries can be sensitive to spoofing attempts

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.01%
Affected: PowerDNS Recursor
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-30192?
CVE-2025-30192 has been scored as a high severity vulnerability.
How to fix CVE-2025-30192?
To fix CVE-2025-30192, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-30192 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30192 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-30192?
CVE-2025-30192 affects PowerDNS Recursor.
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