How severe is CVE-2025-50334?

CVE-2025-50334 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-50334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-50334?

CVE-2025-50334 affects Technitium Dnsserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-50334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-50334 have an EU (EUVD) identifier?

Yes. CVE-2025-50334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1441.

When was CVE-2025-50334 published?

CVE-2025-50334 was published on 2026-01-08 and last updated on 2026-07-05.

CVE-2025-50334

CVE-2025-50334 is a high-severity vulnerability in Technitium Dnsserver with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1441
Weakness: CWE-770
Affected product: Technitium Dnsserver
Published: 2026-01-08
Last modified: 2026-07-05

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

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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-50334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-50334?: CVE-2025-50334 affects Technitium Dnsserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-50334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-50334 have an EU (EUVD) identifier?: Yes. CVE-2025-50334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1441.
When was CVE-2025-50334 published?: CVE-2025-50334 was published on 2026-01-08 and last updated on 2026-07-05.

References

EU advisories (EUVD)

http://technitium.com

Affected products (1)

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

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