CVE-2020-37206

HIGH

ShareAlarmPro - Denial of Service via Oversized Registration Key

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37206. PoCs published by Ismail Tasdelen.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in ShareAlarmPro by overwriting a registration key field with a large buffer of 'A' characters, causing the application to crash. The script generates a payload file (poc.txt) containing 1000 'A' characters, which is then used to trigger the crash.

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Ismail Tasdelen · pythondoswindows
https://www.exploit-db.com/exploits/47859

This PoC exploits a denial-of-service vulnerability in ShareAlarmPro by overwriting a registration key field with a large buffer of 'A' characters, causing the application to crash. The script generates a payload file (poc.txt) containing 1000 'A' characters, which is then used to trigger the crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: ShareAlarmPro Advanced Network Access Control
No auth needed
Prerequisites: ShareAlarmPro installed on Windows 10 · Access to the registration key input field
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/47859
Various Sources product
http://www.nsauditor.com/

Scores

CVSS v3 7.5
EPSS 0.0045
EPSS Percentile 35.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (1)
nsasoft/sharealarmpro
Published Feb 11, 2026
Tracked Since Feb 18, 2026