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Critical · 9.8 CVE-2019-25741 EUVD-2019-20177GHSA-288f-q89m-r9qr

Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File

Published Jun 4, 2026 · Updated Jul 28, 2026 · Assigned by VulnCheck

Description

Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buffer overflow vulnerability in the username field of session files that allows remote attackers to execute arbitrary code. Attackers can craft a malicious MobaXterm sessions file with overflow data that triggers the vulnerability when imported and executed, enabling reverse shell execution with user privileges.

Affected products

VendorProductAffectedFixed
Mobatek Mobatek MobaXterm 12.1 —

References