PT-2026-1811 · Technitium · Technitium Dns Server

Published 2026-01-08 · Updated 2026-01-10 · CVE-2025-50334

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Technitium DNS Server version 13.5

Description An issue exists in the rate-limiting component of the software that allows a remote attacker to cause a denial of service. This impacts DNS service availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2025-50334

Affected Products

Technitium Dns Server

References · 9

• 🔥 https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334 · Exploit
• https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-50334 · Security Note
• https://osv.dev/vulnerability/CVE-2025-50334 · Vendor Advisory
• https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md · Note
• https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs · Note
• https://twitter.com/pulsepatchio/status/2009996820026654845 · Twitter Post
• http://technitium.com · Note
• https://twitter.com/CVEnew/status/2009462364740178191 · Twitter Post