NetShareWatcher 1.5.8.0 - 'Key' Denial of Service
Priority MEDIUM 60CWE-121Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00396 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-37200
- 2026-10-03 Alias added: GHSA-mqpv-gcv6-r5w9
References
Exploit 1
Other 1
More Nsasoft Netsharewatcher vulnerabilities
- TI-2020-19336 NetShareWatcher 1.5.8.0 - 'Name' Denial Of Service CVSS 4.0MEDIUM 4.6
Sources
- CVE-2020-37200 · CVE Program
- CVE-2020-37200 · NVD
- FIRST EPSS
- GHSA-mqpv-gcv6-r5w9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences