CVE-2018-25259

Terminal Services Manager 3.1 Buffer Overflow SEH

Published Apr 22, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:lizardsystems:terminal_services_manager:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Lizardsystems
Lizardsystems terminal Services Manager
Vendors & Products Lizardsystems
Lizardsystems terminal Services Manager
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Terminal Services Manager 3.1 Buffer Overflow SEH
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 23, 2026, 2:06 PM
Reserved
Apr 22, 2026, 11:21 AM
Status
Analyzed
Published
Apr 22, 2026, 4:16 PM
Modified
Jun 17, 2026, 1:55 AM