PatchSiren

Realterm CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH Realterm CVE published 2026-04-05

CVE-2019-25679

CVE-2019-25679 is a structured exception handling (SEH) buffer overflow vulnerability in RealTerm Serial Terminal 2.0.0.70. The vulnerability 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 click [truncated]