Mobatek MobaXterm Home Edition up to 26.1 msimg32.dll uncontrolled search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Mobatek MobaXterm Home Edition up to 26.1. This vulnerability affects unknown code in the library msimg32.dll. The manipulation results in uncontrolled search path. This vulnerability is known as CVE-2026-6421. Attacking locally is a requirement. Furthermore, an exploit is available. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Detailsinfo

A vulnerability classified as critical has been found in Mobatek MobaXterm Home Edition up to 26.1. Affected is an unknown code block in the library msimg32.dll. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. CWE is classifying the issue as CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at drive.google.com. This vulnerability is traded as CVE-2026-6421. The exploitability is told to be difficult. The attack needs to be approached locally. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.

The exploit is shared for download at drive.google.com. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Upgrading to version 26.2 eliminates this vulnerability. The upgrade is hosted for download at download.mobatek.net.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.0
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MobaXterm Home Edition 26.2

Timelineinfo

04/03/2026 Countermeasure disclosed
04/17/2026 +14 days Advisory disclosed
04/17/2026 +0 days VulDB entry created
04/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: drive.google.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-6421 (🔒)
GCVE (CVE): GCVE-0-2026-6421
GCVE (VulDB): GCVE-100-358020
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/17/2026 07:35
Changes: 04/17/2026 07:35 (61)
Complete: 🔍
Submitter: haehanse
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #778851: Mobatek MobaXterm 26.1.0.5456 Uncontrolled Search Path -- DLL hijacking with msimg32.dll (by haehanse)

Once again VulDB remains the best source for vulnerability data.

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