CVE-2020-37200

HIGH

NetShareWatcher 1.5.8.0 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37200. PoCs published by Ismail Tasdelen.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in NetShareWatcher 1.5.8.0 by overwriting a registration key field with a large buffer of 'A' characters, causing the application to crash. The exploit generates a payload file (poc.txt) which is then manually pasted into the software's registration key field.

Description

NetShareWatcher 1.5.8.0 contains a buffer overflow vulnerability in the registration key input that allows attackers to crash the application by supplying oversized input. Attackers can generate a 1000-character payload and paste it into the registration key field to trigger an application crash.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Ismail Tasdelen · pythondoswindows
https://www.exploit-db.com/exploits/47860

This PoC exploits a denial-of-service vulnerability in NetShareWatcher 1.5.8.0 by overwriting a registration key field with a large buffer of 'A' characters, causing the application to crash. The exploit generates a payload file (poc.txt) which is then manually pasted into the software's registration key field.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: NetShareWatcher 1.5.8.0
No auth needed
Prerequisites: NetShareWatcher 1.5.8.0 installed · Access to the registration interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Product product
http://www.nsauditor.com/

Scores

CVSS v3 7.5
EPSS 0.0041
EPSS Percentile 32.4%
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-121
Status published
Products (1)
nsasoft/netsharewatcher 1.5.8.0
Published Feb 11, 2026
Tracked Since Feb 18, 2026