CVE-2020-37200

NetShareWatcher 1.5.8.0 - 'Key' Denial of Service

CVSS 4.6 MEDIUMEPSS 0.4%CWE-121

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.6EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Nsasoft · Nsauditor NetShareWatcher

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://www.exploit-db.com/exploits/47860 https://www.vulncheck.com/advisories/netsharewatcher-key-denial-of-service http://www.nsauditor.com/