CVE-2020-37187 SpotDialup 1.6.7 - 'Name' Denial of Service

Medium 4.6 Published Updated

Attackers can crash the SpotDialup application by submitting a long string in the Name field, 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-2020-37187?

CVE-2020-37187 is a medium-severity denial of service vulnerability in Nsasoft Nsauditor SpotDialup, 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

SpotDialup 1.6.7 contains a denial of service vulnerability in the registration name input field that allows attackers to crash the application. Attackers can generate a 1000-character buffer payload and paste it into the 'Name' field to trigger an application crash.

Weakness: CWE-120

Which versions are affected by CVE-2020-37187?

How do I fix CVE-2020-37187?

No fix has been published for CVE-2020-37187 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-2020-37187 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37187 exists.

Sources

Also known as GHSA-mh97-cxwp-x3wq.

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