---
id: CVE-2020-37206
title: >-
  ShareAlarmPro contains a denial of service vulnerability that allows attackers
  to crash the application by supplying an oversized registration key
summary: >-
  ShareAlarmPro contains a denial of service vulnerability that allows attackers
  to crash the application by supplying an oversized registration key. Attackers
  can generate a 1000-character buffer payload to trigger an application crash
  wh…
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: sharealarmpro
affected:
  - sharealarmpro
published: '2026-02-11'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-37206'
references:
  - url: 'http://www.nsauditor.com/'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/47859'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/sharealarmpro-advanced-network-access-control-key-denial-of-service
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00383
epssPercentile: 0.29608
ingestedAt: '2026-06-29T21:48:47.428Z'
---

## Overview

ShareAlarmPro contains a denial of service vulnerability that allows attackers to crash the application by supplying an oversized registration key. Attackers can generate a 1000-character buffer payload to trigger an application crash when pasted into the registration key field.

## Affected

- `sharealarmpro`

## Remediation

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