CVE-2019-25570

MEDIUM

RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field

Title source: cna

Description

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.

Exploits (1)

exploitdb WORKING POC
by Alejandra Sánchez · pythondoswindows
https://www.exploit-db.com/exploits/46390

Scores

CVSS v3 5.5
EPSS 0.0003
EPSS Percentile 8.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-1260
Status published
Products (2)
crun/realterm 2.0.0.70
Realterm/RealTerm: Serial Terminal 2.0.0.70
Published Mar 21, 2026
Tracked Since Mar 21, 2026