CVE-2019-25591

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.

Score

CVSS 4.0 6.9 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-03-22

Last modified

2026-03-24

Weaknesses

CWE-787

Affected products

• Dnss Domain Name Search Software (Nsauditor)

References

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