What’s Vulnerable › Vulnerabilities

CVE-2019-25591: DNSS Domain Name Search Software 2.1.8 Denial of Service

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-22 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• nsauditor DNSS Domain Name Search Software: 2.1.8

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

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