CVE-2019-25679

HIGH

RealTerm Serial Terminal 2.0.0.70 Buffer Overflow SEH

Title source: cna
STIX 2.1

Description

RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a buffer overflow payload with a POP POP RET gadget chain and shellcode that triggers code execution when pasted into the Port field and the Change button is clicked.

Exploits (1)

exploitdb WORKING POC
by Matteo Malvica · pythonlocalwindows
https://www.exploit-db.com/exploits/46441

Scores

CVSS v3 7.8
EPSS 0.0001
EPSS Percentile 0.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-787
Status published
Products (2)
crun/realterm 2.0.0.70
Realterm/RealTerm: Serial Terminal 1.11.2
Published Apr 05, 2026
Tracked Since Apr 06, 2026