CVE-2026-42255

HIGH

Technitium DnsServer < 15.0.0 - DNS Traffic Amplification via Cyclic Name Server Delegation

Title source: llm
STIX 2.1

Description

Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.

References (1)

Core 1

Scores

CVSS v3 7.2
EPSS 0.0021
EPSS Percentile 10.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-684
Status published
Products (2)
technitium/dnsserver < 15.0
Technitium/DnsServer < 15.0.0
Published Apr 26, 2026
Tracked Since Apr 26, 2026