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High · 7.8 CVE-2019-25679 EUVD-2019-20093GHSA-6g5p-8cx2-hpcp

RealTerm Serial Terminal 2.0.0.70 Buffer Overflow SEH

Published Apr 5, 2026 · Updated Apr 6, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Realterm RealTerm: Serial Terminal 1.11.2 —

References