Unrated severityNVD Advisory· Published Mar 21, 2026· Updated Mar 23, 2026
RealTerm Serial Terminal 2.0.0.70 SEH Overflow Crash
CVE-2019-25569
Description
RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by triggering a structured exception handler (SEH) chain corruption. Attackers can craft a malicious input string with 268 bytes of padding followed by SEH overwrite values and paste it into the Port field to cause denial of service.
Affected products
2- Range: = 2.0.0.70
- Realterm/RealTerm: Serial Terminalv5Range: 2.0.0.70
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- www.exploit-db.com/exploits/46391mitreexploit
- www.vulncheck.com/advisories/realterm-serial-terminal-seh-overflow-crashmitrethird-party-advisory
- realterm.sourceforge.iomitreproduct
- sourceforge.net/projects/realterm/files/mitreproduct
News mentions
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