High severity7.8NVD Advisory· Published Apr 5, 2026· Updated Apr 20, 2026
CVE-2019-25679
CVE-2019-25679
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
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- www.exploit-db.com/exploits/46441nvdExploitVDB Entry
- www.vulncheck.com/advisories/realterm-serial-terminal-buffer-overflow-sehnvdThird Party Advisory
- realterm.sourceforge.ionvdProduct
- sourceforge.net/projects/realterm/files/nvdProduct
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