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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00029.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Nsasoft Nsauditor ShareAlarmPro Advanced Network Access Control affected
Version Status Constraints
- affected —

Configuration 1 [-]

cpe:2.3:a:nsasoft:sharealarmpro:-:*:*:*:*:*:*:*

No data.

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Vendors Products
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Nsauditor Sharealarmpro Advanced Network Access Control Subscribe

Project Subscriptions

Vendors Products
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Sharealarmpro Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://www.nsauditor.com/ cve-icon cve-icon
https://www.exploit-db.com/exploits/47859 cve-icon cve-icon
https://www.vulncheck.com/advisories/sharealarmpro-advanced-network-access-control-key-denial-of-service cve-icon cve-icon
History

Thu, 26 Feb 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Nsasoft sharealarmpro
CPEs cpe:2.3:a:nsasoft:sharealarmpro:-:*:*:*:*:*:*:*
Vendors & Products Nsasoft sharealarmpro

Thu, 12 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 12 Feb 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Nsasoft
Nsasoft nsauditor Sharealarmpro Advanced Network Access Control
Vendors & Products Nsasoft
Nsasoft nsauditor Sharealarmpro Advanced Network Access Control

Wed, 11 Feb 2026 21:00:00 +0000

Type Values Removed Values Added
Description 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.
Title ShareAlarmPro Advanced Network Access Control - 'Key' Denial of Service
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-12T14:39:42.827Z

Reserved: 2026-02-10T18:49:52.493Z

Link: CVE-2020-37206

cve-icon Vulnrichment

Updated: 2026-02-12T14:39:38.911Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-11T21:16:15.797

Modified: 2026-02-26T23:21:44.870

Link: CVE-2020-37206

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-12T09:35:37Z

Weaknesses