Vulnerability · Published Feb 5, 2026 · Assigned by VulnCheck

CVE-2020-37128ZOC Terminal 7.25.5 - 'Script' Denial of Service

Medium 6.2

In plain English

A medium-severity stack buffer overflow in ZOC Terminal from EmTec. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 91.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
EmTec ZOC Terminal 7.25.5

Weakness: CWE-121 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References