What is CVE-2020-37191?

CVE-2020-37191 is a high-severity vulnerability in Top Password Software Dialup Recovery, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-02-11.

How severe is CVE-2020-37191?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Top Password Software Dialup Recovery

CVE-2020-37191

Top Password Software Dialup Password Recovery 1.30 contains a denial of service vulnerability that allows attackers to crash the application by overflowing input fields. Attackers can trigger the vulnerability by inserting a large 5000-ch…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Top Password Software Dialup Recovery — versions 1.30

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-37191?: CVE-2020-37191 is a high-severity vulnerability in Top Password Software Dialup Recovery, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-02-11.
How severe is CVE-2020-37191?: High severity. CVSS v3 base score is 7.5 out of 10.