CVE-2020-37200— NetShareWatcher 1.5.8.0 - 'Key' Denial of Service
Quick assessment
Affected
Nsasoft Nsauditor NetShareWatcher
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Nsasoft NetShareWatcher是美国Nsasoft公司的一个安全审计工具。 Nsasoft NetShareWatcher 1.5.8.0版本存在安全漏洞，该漏洞源于注册密钥输入字段缓冲区溢出，可能导致应用程序崩溃。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-37200
Vulnerability Information
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Vulnerability Title
NetShareWatcher 1.5.8.0 - 'Key' Denial of Service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Nsasoft NetShareWatcher 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nsasoft NetShareWatcher是美国Nsasoft公司的一个安全审计工具。 Nsasoft NetShareWatcher 1.5.8.0版本存在安全漏洞，该漏洞源于注册密钥输入字段缓冲区溢出，可能导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Nsasoft | Nsauditor NetShareWatcher | 1.5.8.0 | - |
|
II. Public POCs for CVE-2020-37200
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Nsasoft · 2026-02-11 · 22 CVEs total
| CVE-2020-37210 | 7.5 HIGH | SpotIE 2.9.5 - 'Key' Denial of Service |
| CVE-2020-37185 | 7.5 HIGH | Backup Key Recovery 2.2.5 - 'Name' Denial of Service |
| CVE-2020-37188 | 7.5 HIGH | SpotOutlook 1.2.6 - 'Name' Denial of Service |
| CVE-2020-37209 | 7.5 HIGH | SpotFTP FTP Password Recovery 3.0.0.0 - 'Name' Denial of Service |
| CVE-2020-37207 | 7.5 HIGH | SpotDialup 1.6.7 - 'Key' Denial of Service |
| CVE-2020-37212 | 7.5 HIGH | SpotMSN 2.4.6 - 'Name' Denial of Service |
| CVE-2020-37199 | 7.5 HIGH | NBMonitor 1.6.6.0 - 'Key' Denial of Service |
| CVE-2020-37205 | 7.5 HIGH | RemShutdown 2.9.0.0 - 'Name' Denial of Service |
| CVE-2020-37195 | 7.5 HIGH | BlueAuditor 1.7.2.0 - 'Name' Denial of Service |
| CVE-2020-37206 | 7.5 HIGH | ShareAlarmPro Advanced Network Access Control - 'Key' Denial of Service |
| CVE-2020-37203 | 7.5 HIGH | Office Product Key Finder 1.5.4 - Denial of Service |
| CVE-2020-37201 | 7.5 HIGH | NetShareWatcher 1.5.8.0 - 'Name' Denial Of Service |
| CVE-2020-37211 | 7.5 HIGH | SpotIM 2.2 - 'Name' Denial Of Service |
| CVE-2020-37202 | 7.5 HIGH | NetworkSleuth 3.0.0.0 - 'Key' Denial of Service |
| CVE-2020-37180 | 7.5 HIGH | GTalk Password Finder 2.2.1 - 'Key' Denial of Service |
| CVE-2020-37187 | 7.5 HIGH | SpotDialup 1.6.7 - 'Name' Denial of Service |
| CVE-2020-37208 | 7.5 HIGH | SpotFTP FTP Password Recovery 3.0.0.0 - 'Key' Denial of Service |
| CVE-2020-37197 | 7.5 HIGH | Dnss Domain Name Search Software - 'Name' Denial of Service |
| CVE-2020-37194 | 7.5 HIGH | Backup Key Recovery Recover Keys Crashed Hard Disk Drive 2.2.5 - 'Key' Denial of Service |
| CVE-2020-37179 | 7.5 HIGH | APKF Product Key Finder 2.5.8.0 - 'Name' Denial of Service |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Nsasoft
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CVE-2019-25434
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CVE-2019-25336
SpotAuditor 5.3.2 - 'Base64' Local Buffer Overflow (SEH) -
CVE-2019-25334
Product Key Explorer 4.2.0.0 - 'Name' Denial of Service -
CVE-2020-37212
SpotMSN 2.4.6 - 'Name' Denial of Service
Same weakness: CWE-121
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CVE-2026-96262
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V. Comments for CVE-2020-37200
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