CVE-2020-37191 Top Password Software Dialup Password Recovery 1.30 - Denial of Service
Attackers can crash the password recovery application by inputting oversized data into specific fields, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-37191?
CVE-2020-37191 is a medium-severity denial of service vulnerability in Top Password Software Dialup Password Recovery, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-120
Which versions are affected by CVE-2020-37191?
How do I fix CVE-2020-37191?
No fix has been published for CVE-2020-37191 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-37191 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37191 exists.
Sources
Also known as GHSA-j4g3-xg56-p22g.