# CVE-2018-25259

> Vulnerability · severity: **HIGH** (CVSS 8.4).

## Description

Terminal Services Manager 3.1 contains a stack-based buffer overflow vulnerability in the computer names field that allows local attackers to execute arbitrary code by triggering structured exception handling. Attackers can craft a malicious input file with shellcode and jump instructions that overwrite the SEH handler pointer to execute calc.exe or other payloads when imported through the add computers wizard.

## Key facts

- **CVE ID:** CVE-2018-25259
- **Published:** 2026-04-22
- **CVSS severity:** HIGH
- **CVSS base score:** 8.4
- **CWE codes:** CWE-306

## Affected products

- `lizardsystems:terminal_services_manager`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-25259

## Citation

> AI Analytics. CVE-2018-25259. Retrieved 2026-07-09 from https://api.ai-analytics.org/cve/CVE-2018-25259. Derived from NIST NVD. Licensed CC0.

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