CVE-2018-25259

HIGH 8.4

Terminal Services Manager 3.1 Buffer Overflow SEH

CVSS Score

8.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	lizardsystems
Product	terminal services manager
Published	Apr 22, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Lizardsystems / Terminal Services Manager

3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

bzyo