CVE-2018-25259

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.

Score

CVSS 4.0 8.6 High

Status

Analyzed - disclosure@vulncheck.com

Published

2026-04-22

Last modified

2026-04-23

Weaknesses

CWE-306

Affected products

• Terminal Services Manager (Lizardsystems)

References

• https://lizardsystems.com
• https://www.exploit-db.com/exploits/46058
• https://www.vulncheck.com/advisories/terminal-services-manager-buffer-overflow-seh