CVE-2019-25570 - CVE House
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Status published Medium CVE-2019-25570

RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Alejandra Sánchez

References

More from Realterm

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CVE-2019-25679
RealTerm Serial Terminal 2.0.0.70 Buffer Overflow SEH
High 8.5
CVE-2019-25569
RealTerm Serial Terminal 2.0.0.70 SEH Overflow Crash
Medium 6.9

Affected Vendor

Affected Software

RealTerm: Serial Terminal
Vulnerable Versions:
2.0.0.70

Timeline

Official Publish: March 21st, 2026
Last Modified: March 24th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-1260

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.