Vulnerability · Published Feb 5, 2026 · Assigned by VulnCheck

CVE-2020-37136ZOC Terminal v7.25.5 - 'Private key file' Denial of Service

High 7.5

In plain English

A high-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 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 65.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

ZOC Terminal 7.25.5 contains a denial of service vulnerability in the private key file input field that allows attackers to crash the application. Attackers can overwrite the private key file input with a 2000-byte buffer, causing the application to become unresponsive when attempting to create SSH key files.

Affected products (as reported)

VendorProductVersions
EmTec ZOC Terminal 7.25.5

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

References