CVE-2026-42255

MEDIUM EPSS 10.8%
Published Apr 26, 20262mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Medium
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Published Apr 26, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
6.5
Exploitability
3.9
Impact
2.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability Low

Threat Intelligence

EPSS Exploit Probability
10.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-684

Affected Products 1

VendorProductVersionRange
technitiumdnsserver* <15.0

References 1

  • github.com https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#technitium-dns-server-change-log
    Release Notes

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.