CVE-2018-25259 HIGH

CVE-2018-25259: Terminal Services Manager 3.1 Buffer Overflow SEH

Vendor Lizardsystems
Product Terminal Services Manager
Weakness CWE-306 · Missing auth
Published April 22, 2026
Last update April 23, 2026

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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 dates

02Disclosure timeline

April 22, 2026 CVE published
April 23, 2026 Record updated