CVE-2019-25570

RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field

Published Mar 21, 2026 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Crun
Crun realterm
CPEs cpe:2.3:a:crun:realterm:2.0.0.70:*:*:*:*:*:*:*
Vendors & Products Crun
Crun realterm
Type Values Removed Values Added
First Time appeared Realterm
Realterm realterm: Serial Terminal
Vendors & Products Realterm
Realterm realterm: Serial Terminal
Type Values Removed Values Added
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.
Title RealTerm Serial Terminal 2.0.0.70 Denial of Service via Port Field
Weaknesses CWE-1260
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 24, 2026, 3:15 PM
Reserved
Mar 21, 2026, 12:36 PM
Status
Analyzed
Published
Mar 21, 2026, 1:16 PM
Modified
Jun 17, 2026, 2:32 AM