CVE-2019-25569
mediumpriority · track · 22EPSS 0.002 · 9 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://realterm.sourceforge.io/cnnvd
- https://sourceforge.net/projects/realterm/files/cnnvd
- https://www.exploit-db.com/exploits/46391cnnvd
- https://www.vulncheck.com/advisories/realterm-serial-terminal-seh-overflow-crashcnnvd
- https://realterm.sourceforge.io/enisa_euvd
- https://sourceforge.net/projects/realterm/files/enisa_euvd
- https://www.exploit-db.com/exploits/46391enisa_euvd
- https://www.vulncheck.com/advisories/realterm-serial-terminal-seh-overflow-crashenisa_euvd
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