Vulnerability · CVE-2019-25334
Product Key Explorer 4.2.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by overflowing the registration name input field.
Published Feb 12, 2026 · catalog updated Mar 5, 2026 · Nsasoft Nsauditor Product Key Explorer
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2019-25334. EPSS is 0.22%. Act only if a listed version of Nsasoft Nsauditor Product Key Explorer is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.22%
- Remediation
- Vendor / distro source
- Affected products
- vendor Nsasoft Nsauditor Product Key Explorer 4.2.0.0
Product Key Explorer 4.2.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by overflowing the registration name input field. Attackers can create a specially crafted text file with repeated characters to trigger a buffer overflow when pasted into the registration name field, causing the application to crash.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Nsasoft Nsauditor Product Key Explorer 4.2.0.04.2.0.0
How to fix CVE-2019-25334
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 4.2.0.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2019-25334. EPSS is 0.22%. Act only if a listed version of Nsasoft Nsauditor Product Key Explorer is installed.
Which versions are affected?
Compare what you have installed with Nsasoft Nsauditor Product Key Explorer 4.2.0.0 4.2.0.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Feb 12, 2026 · EUVD
Detected
Product Key Explorer 4.2.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by overflowing the registration name input field. Attackers can create a specially crafted text file with repeated characters to trigger a buffer overflow when pasted into the registration name field, causing the application to crash.
Mar 5, 2026 · EUVD
Updated
Product Key Explorer 4.2.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by overflowing the registration name input field. Attackers can create a specially crafted text file with repeated characters to trigger a buffer overflow when pasted into the registration name field, causing the application to crash.
Sources
- CVE.orgVulnerability recordCVE-2019-25334
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2019-25334
30-day exploitation probability 0.22%
first.org - EUVDVulnerability recordEUVD-2019-19565
Product Key Explorer 4.2.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by overflowing the registration name input field. Attackers can create a specially crafted text file with repeated characters to trigger a buffer overflow
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- FIRST EPSSNov 3, 2026
- EUVDNov 2, 2026