Description
RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a buffer overflow payload with a POP POP RET gadget chain and shellcode that triggers code execution when pasted into the Port field and the Change button is clicked.
Published: 2026-04-05
Score: 8.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Sun, 05 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Description RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a buffer overflow payload with a POP POP RET gadget chain and shellcode that triggers code execution when pasted into the Port field and the Change button is clicked.
Title RealTerm Serial Terminal 2.0.0.70 Buffer Overflow SEH
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-05T20:45:29.972Z

Reserved: 2026-04-05T13:31:07.337Z

Link: CVE-2019-25679

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-05T21:16:46.127

Modified: 2026-04-05T21:16:46.127

Link: CVE-2019-25679

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses