---
id: CVE-2020-37196
title: >-
  Dnss Domain Name Search Software contains a denial of service vulnerability
  that allows attackers to crash the application by providing an oversized
  registration key
summary: >-
  Dnss Domain Name Search Software contains a denial of service vulnerability
  that allows attackers to crash the application by providing an oversized
  registration key. Attackers can generate a 1000-character buffer payload and
  paste it in…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-120
vendor: nsasoft
product: domain_name_search_software
affected:
  - domain_name_search_software
published: '2026-02-11'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-37196'
references:
  - url: 'http://www.nsauditor.com/'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/47856'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/dnss-domain-name-search-software-key-denial-of-service
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00458
epssPercentile: 0.39033
ingestedAt: '2026-06-29T21:48:47.241Z'
---

## Overview

Dnss Domain Name Search Software contains a denial of service vulnerability that allows attackers to crash the application by providing an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.

## Affected

- `domain_name_search_software`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.