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.
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Affected products
2- Range: = 2.0.0.70
Patches
Vulnerability mechanics
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
News mentions
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