CVE-2019-25570 MEDIUM

CVE-2019-25570: RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field

Vendor Realterm
Product RealTerm: Serial Terminal
Weakness CWE-1260
Published March 21, 2026
Last update March 24, 2026
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 21, 2026 CVE published
March 24, 2026 Record updated