CVE-2025-50334
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk57th percentile - higher than 57% of all known CVEs
Summary
A vulnerability in Technitium DNS Server version 13.5 allows a remote attacker to cause a Denial of Service (DoS) via the rate-limiting component.
Risk Assessment
An attacker can exploit this flaw to overload the DNS server, leading to disruption of domain name resolution services for the organization.
Recommendation
It is recommended to immediately update the Technitium DNS Server to the latest available version that includes a fix for this vulnerability.
Other vulnerabilities in Technitium DNS Server
See all- CVE-2026-36478High
A vulnerability in Technitium DNS Server version 14.3 and earlier allows a remote attacker to cause a denial of service (DoS) via the DnsServerApp.exe, DnsServerApp.dll, and TechnitiumLibrary.Net/Dns/DnsClient.cs components.
- CVE-2026-45557Medium
Technitium DNS Server before version 15.0 aggressively tries to fetch missing RRSIG records or mismatched DNSKEY records. An attacker controlling a domain can cause excessive network traffic.
Original NVD description (English source)
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component