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-character payload into the User Name and Registration Code input fields.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (19.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Top Password Software Dialup Recovery — versions 1.30
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/47907 (exploit)
- www.top-password.com/ (product)
- www.vulncheck.com/advisories/top-password-software-dialup-password-recovery-den… (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.