CVE-2025-71058

CriticalCVSS 9.1/10Last modified Jul 24, 2026

Description

Dual DHCP DNS Server 8.01 improperly accepts and caches UDP DNS responses without validating that the response originates from a legitimate configured upstream DNS server. The implementation matches responses primarily by TXID and inserts results into the cache, enabling a remote attacker to inject forged responses and poison the DNS cache, potentially redirecting victims to attacker-controlled destinations.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
n/an/an/a

References

Timeline

Published
Apr 7, 2026
Last modified
Jul 24, 2026
NVD status
Awaiting Analysis

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CVE-2025-71058: Critical severity, CVSS 9.1 | Vulnix