Main Vulnerability Database Vulnerabilities #VU113094

Acceptance of Extraneous Untrusted Data With Trusted Data in PowerDNS Recursor - CVE-2025-30192

Published: July 21, 2025

Vulnerability identifier: #VU113094

CSH Severity: Medium

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N]

CVE-ID: CVE-2025-30192

CWE-ID: CWE-349

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform cache poisoning attacks.

The vulnerability exists due to an error in ECS implementation. A remote attacker can spoof answers to ECS enabled requests sent out by the Recursor.

PowerDNS Recursor
Fedora
pdns-recursor

Install updates from vendor's website.

PowerDNS Recursor - addressed in versions 5.0.12, 5.1.6, 5.2.4
pdns-recursor - update to 5.2.8-1.fc42