CVE-2020-37128

MEDIUM

ZOC Terminal 7.25.5 - Denial of Service via Malicious REXX Script Processing

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-37128. PoCs published by chuyreds.

AI-analyzed exploit summary This PoC exploits a local denial-of-service vulnerability in ZOC Terminal 7.25.5 by generating a malformed script file with an excessive number of 'A' characters (20,000 bytes), causing the application to crash when the script is executed.

Description

ZOC Terminal 7.25.5 contains a script processing vulnerability that allows local attackers to crash the application by loading a maliciously crafted REXX script file. Attackers can generate an oversized script with 20,000 repeated characters to trigger an application crash and cause a denial of service.

Exploits (1)

exploitdb WORKING POC
by chuyreds · pythondoswindows
https://www.exploit-db.com/exploits/48302

This PoC exploits a local denial-of-service vulnerability in ZOC Terminal 7.25.5 by generating a malformed script file with an excessive number of 'A' characters (20,000 bytes), causing the application to crash when the script is executed.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: ZOC Terminal 7.25.5
No auth needed
Prerequisites: ZOC Terminal 7.25.5 installed on Windows · Ability to execute local scripts
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/48302
Various Sources product
https://www.emtec.com

Scores

CVSS v3 6.2
EPSS 0.0017
EPSS Percentile 6.3%
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-121
Status published
Products (1)
EmTec/ZOC Terminal 7.25.5
Published Feb 05, 2026
Tracked Since Feb 18, 2026