Description
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.
Published: 2026-04-26
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: DNS Traffic Amplification
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 28 Apr 2026 13:45:00 +0000

Type Values Removed Values Added
Title DNS Amplification via Cyclic Name Server Delegation

Mon, 27 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 26 Apr 2026 04:15:00 +0000

Type Values Removed Values Added
Description Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.
First Time appeared Technitium
Technitium dnsserver
Weaknesses CWE-684
CPEs cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*
Vendors & Products Technitium
Technitium dnsserver
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L'}


Subscriptions

Technitium Dnsserver
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-27T13:31:57.425Z

Reserved: 2026-04-26T02:48:44.278Z

Link: CVE-2026-42255

cve-icon Vulnrichment

Updated: 2026-04-27T13:20:28.762Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-26T04:16:05.787

Modified: 2026-04-29T18:54:59.530

Link: CVE-2026-42255

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T13:30:32Z

Weaknesses