CVE-2019-25591

MEDIUM 6.2

DNSS Domain Name Search Software 2.1.8 Denial of Service

CVSS Score

6.2

EPSS Score

0.0%

EPSS Percentile

2th

DNSS Domain Name Search Software 2.1.8 contains a buffer overflow vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively long string. Attackers can trigger a denial of service by pasting a malicious registration code containing 300 repeated characters into the Name/Key field via the Register menu option.

CWE	CWE-787
Vendor	nsauditor
Product	dnss domain name search software
Published	Mar 22, 2026
Last Updated	Mar 24, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

nsauditor / DNSS Domain Name Search Software

2.1.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/46831 nsauditor.com: http://www.nsauditor.com/downloads/dnss_setup.exe vulncheck.com: https://www.vulncheck.com/advisories/dnss-domain-name-search-software-denial-of-service

Credits

Victor Mondragón