Home/CVE/An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting com
CVE

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 com

An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component.

HIGH · CVSS 7.5 EPSS 0.00191
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

1
technitium dnsserver< 14.0
⚠

Public Exploits & PoCs

1
pocgithub.com · CVE-2025-50334github.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jan 2026 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://technitium.comProduct
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.mdRelease Notes
https://github.com/TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.csProduct
https://github.com/TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603ePatch
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