Medium severity6.2NVD Advisory· Published Mar 21, 2026· Updated Jun 17, 2026
CVE-2019-25569
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.
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Affected products
3=2.0.0.70+ 1 more
- (no CPE)range: =2.0.0.70
- (no CPE)range: 2.0.0.70
Patches
Vulnerability mechanics
References
4- www.exploit-db.com/exploits/46391nvdExploitThird Party AdvisoryVDB Entry
- www.vulncheck.com/advisories/realterm-serial-terminal-seh-overflow-crashnvdThird Party Advisory
- realterm.sourceforge.ionvdProduct
- sourceforge.net/projects/realterm/files/nvdProduct
News mentions
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