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CVE-2025-50334

27
FAUCET Score

CVE-2025-50334 describes a denial-of-service vulnerability in Technitium DNS Server version 13.5, where a remote attacker can disrupt service through the rate-limiting component. This high-severity vulnerability (CVSS 7.5) requires no authentication or user interaction, making it easily exploitable with a direct network attack, leading to a complete loss of availability for the affected DNS server. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 14.0CPE matchmatch criteria
cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.96%
Probability of exploitation in next 30 days
EPSS Percentile
57.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0096 is in the 32nd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2025-50334Important

technitium-dns-server: Technitium DNS Server: Denial of Service via rate-limiting component

Jan 8, 2026

References

access.redhat.com / security/cve/CVE-2025-50334
bugzilla.redhat.com / show_bug.cgi
security.access.redhat.com / data/csaf/v2/vex/2025/cve-2025-50334.json
github.com / FPokerFace/Security-Advisory/tree/main/CVE-2025-50334
ExploitThird Party Advisory
github.com / TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md
Release Notes
github.com / TechnitiumSoftware/DnsServer/blob/v13.3/DnsServerCore/Dns/DnsServer.cs
Product
github.com / TechnitiumSoftware/DnsServer/commit/7229b217238213cc6275eea68a7e17d73df1603e
Patch