CVE-2025-50334

Name: CVE-2025-50334
Creator: NVD / NIST
Published: 2026-01-08T17:15:47.603+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2025-50334 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions
Technitium	Dnsserver	< 14.0

References

http://technitium.comProduct
https://github.com/FPokerFace/Security-Advisory/tree/main/CVE-2025-50334Exploit, Third Party Advisory
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

Timeline

Published: Jan 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is 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

How severe is CVE-2025-50334?

CVE-2025-50334 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2025-50334?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-50334?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST