CVE-2019-25570

6.8 mediumEPSS 0.2%

Medium (6.8) in crun realterm. EPSS 0.2% chance of exploitation in the next 30 days.

RealTerm Serial Terminal 2.0.0.70 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Port field. Attackers can paste a buffer of 1000 characters into the Port input field and click the open button to trigger a crash.

Severity

CVSS 4.0

6.8 medium

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-1260
Published: 2026-03-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

crun:realterm

References

https://realterm.sourceforge.io/
https://sourceforge.net/projects/realterm/files/
https://www.exploit-db.com/exploits/46390
https://www.vulncheck.com/advisories/realterm-serial-terminal-denial-of-service-via-port-field

Check your stack JSON