CVE-2019-25570

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://realterm.sourceforge.io/	Product
https://sourceforge.net/projects/realterm/files/	Product
https://www.exploit-db.com/exploits/46390	Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/realterm-serial-terminal-denial-of-service-via-port-field	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:crun:realterm:2.0.0.70:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-21 13:16

Updated : 2026-03-24 20:42

NVD link : CVE-2019-25570

Mitre link : CVE-2019-25570

CVE.ORG link : CVE-2019-25570

JSON object : View

Products Affected

crun

realterm

CWE

CWE-1260

Improper Handling of Overlap Between Protected Memory Ranges

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