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CVE-2019-25741

CRITICAL Exploitation: PoC
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2019-25741
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-04 11:11 UTC
Published
2026-06-04 13:22 UTC
Last updated
2026-07-28 01:47 UTC
Primary CWE
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer …
Vendor / Product
Mobatek / Mobatek MobaXterm
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Mobatek Mobatek MobaXterm — 12.1
Weakness (CWE)
CWESourceDescription
CWE-120 cna Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 CRITICAL 4.0 cna 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
References (3)
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