CVE-2019-25589

MEDIUM

ZOC Terminal 7.23.4 Buffer Overflow Denial of Service

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25589. PoCs published by Victor Mondragón.

AI-analyzed exploit summary This PoC exploits a denial-of-service vulnerability in ZOC Terminal v7.23.4 by overwriting the 'Shell' field with a buffer of 270 'A' characters, causing a crash when the Command Shell is accessed. The exploit requires manual steps to trigger the crash.

Description

ZOC Terminal 7.23.4 contains a buffer overflow vulnerability in the Shell field of Program Settings that allows local attackers to crash the application by supplying an excessively long string. Attackers can paste a crafted payload into the Shell configuration field and trigger a crash when accessing the Command Shell feature.

Exploits (1)

exploitdb WORKING POC
by Victor Mondragón · pythondoswindows
https://www.exploit-db.com/exploits/46857

This PoC exploits a denial-of-service vulnerability in ZOC Terminal v7.23.4 by overwriting the 'Shell' field with a buffer of 270 'A' characters, causing a crash when the Command Shell is accessed. The exploit requires manual steps to trigger the crash.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: ZOC Terminal v7.23.4
No auth needed
Prerequisites: Python to generate the payload file · Manual interaction to paste the payload into ZOC Terminal settings
devstral-2 · analyzed Mar 22, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-46857
https://www.exploit-db.com/exploits/46857
Product product
Official Product Homepage
https://www.emtec.com
Product product
Product Reference
http://www.emtec.com/downloads/zoc/zoc7234_x64.exe
Third Party Advisory third-party-advisory
VulnCheck Advisory: ZOC Terminal 7.23.4 Buffer Overflow Denial of Service
https://www.vulncheck.com/advisories/zoc-terminal-buffer-overflow-denial-of-service

Scores

CVSS v3 6.2
EPSS 0.0018
EPSS Percentile 8.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (2)
emtec/zoc 7.23.4
Emtec/ZOC Terminal 7.23.4
Published Mar 22, 2026
Tracked Since Mar 22, 2026