Technitium vulnerabilities
Published CVEs affecting Technitium products: 4 record(s), with severity, exploitation and fixes.
CVE-2026-45557
Medium · 5.8
CWE-405 May 19, 2026
Technitium DNS Server excessive DNSSEC requests
Technitium DNS Server aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker in control of a domain can cause a vulnerable system to generate excessive network traffic. Fixed in 15.0.
CVE-2026-42255
Medium · 6.5
CWE-684 Apr 26, 2026
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name…
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.
CVE-2025-50334
High · 7.5
CWE-770 Jan 8, 2026
Allocation of Resources Without Limits or Throttling in Technitium Dnsserver
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
CVE-2024-56089
High · 7.5
CWE-330 Dec 1, 2025
Use of Insufficiently Random Values in Technitium Dnsserver
An issue in Technitium through v13.2.2 enables attackers to conduct a DNS cache poisoning attack and inject fake responses by reviving the birthday attack.