CVE-2019-25741 - CVE House
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Status published Critical CVE-2019-25741

Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Xavi Beltran

Affected Vendor

Affected Software

Mobatek MobaXterm
Vulnerable Versions:
12.1

Timeline

Official Publish: June 4th, 2026
Last Modified: June 4th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)