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CVE-2019-25570

MEDIUM

5.5

Description

RealTerm Serial Terminal 2.0.0.70 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Port field. Attackers can paste a buffer of 1000 characters into the Port input field and click the open button to trigger a crash.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/21/2026

Last Modified3/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

crun:realterm

Weaknesses (CWE)

CWE-1260

References

https://realterm.sourceforge.io/(disclosure@vulncheck.com)

https://sourceforge.net/projects/realterm/files/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/46390(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/realterm-serial-terminal-denial-of-service-via-port-field(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.