---
id: CVE-2020-37207
title: >-
  SpotDialup 1.6.7 contains a denial of service vulnerability in the
  registration key input field that allows attackers to crash the application
summary: >-
  SpotDialup 1.6.7 contains a denial of service vulnerability in the
  registration key input field that allows attackers to crash the application.
  Attackers can generate a 1000-character buffer payload and paste it into the
  'Key' field to t…
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: spotdialup
affected:
  - spotdialup <= 1.6.7
published: '2026-02-11'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-37207'
references:
  - url: 'http://www.nsauditor.com/'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/47872'
    label: disclosure@vulncheck.com
  - url: 'https://www.vulncheck.com/advisories/spotdialup-key-denial-of-service'
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00383
epssPercentile: 0.32227
ingestedAt: '2026-06-29T21:48:47.430Z'
---

## Overview

SpotDialup 1.6.7 contains a denial of service vulnerability in the registration key input field that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Key' field to trigger an application crash.

## Affected

- `spotdialup <= 1.6.7`

## Remediation

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