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CVE-2025-30192

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

Published: Jul 21, 2025Updated: Jul 22, 2025 Sources: CVE List NVD BDUCWE-345
7.5HIGH
NVD MITRE
EPSS Score
0.2%
Top 84.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-345

Affected Products

ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
PowerDNS.COM BV
commercial·NLaka powerdns
PowerDNS RecursorOn-prem
Networking Infrastructure / dns-dhcp-ntp
PowerDNS
oss-project·DKaka powerdns authoritative, dnsdist, powerdns recursor
RecursorOn-premNetwork Device
Networking Infrastructure / dns-dhcp-ntp

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-04.html
docs.powerdns.com
https://redos.red-soft.ru/support/secure/
redos.red-soft.ru
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2025-04.html
docs.powerdns.com

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