CVE-2025-50334

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-50334
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
http://technitium.com Product
https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334 Exploit Third Party Advisory
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md Release Notes
https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs Product
https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e Patch
Configurations

Configuration 1 (hide)

cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*
History

12 Jan 2026, 18:39

Type Values Removed Values Added
First Time Technitium
Technitium dnsserver
CPE cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*
References () http://technitium.com - () http://technitium.com - Product
References () https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334 - () https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334 - Exploit, Third Party Advisory
References () https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md - () https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md - Release Notes
References () https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs - () https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs - Product
References () https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e - () https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e - Patch

08 Jan 2026, 19:15

Type Values Removed Values Added
CWE CWE-770
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5

08 Jan 2026, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-08 17:15

Updated : 2026-01-12 18:39

NVD link : CVE-2025-50334

Mitre link : CVE-2025-50334

CVE.ORG link : CVE-2025-50334

JSON object : View

Products Affected

technitium

  • dnsserver
CWE
CWE-770

Allocation of Resources Without Limits or Throttling