How severe is CVE-2019-25334?

CVE-2019-25334 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-25334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-25334?

CVE-2019-25334 affects Nsasoft Product Key Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-25334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2019-25334 have an EU (EUVD) identifier?

Yes. CVE-2019-25334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19565.

When was CVE-2019-25334 published?

CVE-2019-25334 was published on 2026-02-12 and last updated on 2026-06-17.

CVE-2019-25334

CVE-2019-25334 is a medium-severity vulnerability in Nsasoft Product Key Explorer with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
CVSS v4: 6.7
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2019-19565
Weakness: CWE-121
Affected product: Nsasoft Product Key Explorer
Published: 2026-02-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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. 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.
How severe is CVE-2019-25334?: CVE-2019-25334 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-25334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-25334?: CVE-2019-25334 affects Nsasoft Product Key Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-25334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2019-25334 have an EU (EUVD) identifier?: Yes. CVE-2019-25334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19565.
When was CVE-2019-25334 published?: CVE-2019-25334 was published on 2026-02-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nsasoft:product_key_explorer:4.2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Nsasoft Product Key Explorer

CVE-2020-37131 — Medium (CVSS 6.2): Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash…
CVE-2024-0771 — Medium (CVSS 5.3): A vulnerability has been found in Nsasoft Product Key Explorer 4.0.9 and classified as problematic. Affected by this…

All CVEs affecting Nsasoft Product Key Explorer →

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

CVE-2026-12848 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12847 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12846 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-12485 — Critical (CVSS 10.0): GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and…
CVE-2026-37541 — Critical (CVSS 10.0): Buffer overflow vulnerability in Open Vehicle Monitoring System 3 (OVMS3) 3.3.005. In canformat_gvret.cpp, the length…
CVE-2026-42996 — Critical (CVSS 10.0): JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of…

Browse all CWE-121 (Stack-based Buffer Overflow) vulnerabilities →