CVE-2019-25741

CRITICAL

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.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/4/2026Modified: 6/4/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2019-25741 — Mobatek MobaXterm 12.1 contains a structured exception handling (SEH) based buff...

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.

CVE-2019-25741
NIST NVD

References (3)

https://download.mobatek.net/1112019010310554/MobaXterm_Portable_v11.1.ziphttps://www.exploit-db.com/exploits/47429https://www.vulncheck.com/advisories/mobatek-mobaxterm-buffer-overflow-via-sessions-file