Unrated severityNVD Advisory· Published Feb 5, 2026· Updated Mar 5, 2026
Product Key Explorer 4.2.2.0 - 'Key' Denial of Service
CVE-2020-37131
Description
Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2= 4.2.2.0+ 1 more
- (no CPE)range: = 4.2.2.0
- (no CPE)range: 4.2.2.0
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/48284mitreexploit
- www.vulncheck.com/advisories/product-key-explorer-key-denial-of-servicemitrethird-party-advisory
- www.nsauditor.commitreproduct
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