CVE-2019-25741

CRITICAL EPSS 46.0%
Published Jun 4, 20263w ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Critical
Find Similar
Published Jun 4, 2026 3w ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
46.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-120

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.