CVE-2019-25569

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by triggering a structured exception handler (SEH) chain corruption. Attackers can craft a malicious input string with 268 bytes of padding followed by SEH overwrite values and paste it into the Port field to cause denial of service.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
RealtermRealTerm: Serial Terminal2.0.0.70

References

Timeline

Published
Mar 21, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2019-25569: Medium severity, CVSS 5.5 | Vulnix