CVE-2025-30192
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductRecursor
PublishedJul 21, 2025
First seenJul 21, 2025
Weakness typeCWE-345CWE-345
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| PowerDNS Recursor | No range specified | — |
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