PT-2026-30487 · Realterm+1 · Realterm: Serial Terminal+1

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CVE-2019-25679

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Published

2026-04-05

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Updated

2026-04-05

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions RealTerm Serial Terminal version 2.0.0.70
Description A structured exception handling (SEH) buffer overflow exists in the Echo Port tab. A local attacker can execute arbitrary code by providing a malicious payload. This is achieved by pasting a buffer overflow payload containing a POP POP RET gadget chain and shellcode into the Port field and clicking the Change button.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

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Weakness Enumeration

Related Identifiers

CVE-2019-25679

Affected Products

Realterm: Serial Terminal
Realterm