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High · 8.4 CVE-2018-25259 EUVD-2018-21772GHSA-2m2r-hgfh-2mrp

Terminal Services Manager 3.1 Buffer Overflow SEH

Published Apr 22, 2026 · Updated Apr 23, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Lizardsystems Terminal Services Manager 3.1 —

References