CVE-2026-6421 | Mobatek MobaXterm Home Edition up to 26.1 msimg32.dll uncontrolled search path

VDB-358020 · CVE-2026-6421 · GCVE-100-358020 MOBATEK MOBAXTERM HOME EDITION UP TO 26.1 MSIMG32.DLL UNCONTROLLED SEARCH PATH HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 3.39+ 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. Productinfo Type Windowing System Software Vendor Mobatek Name MobaXterm Home Edition Version 26.0 26.1 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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: 99:2A9:101 Submitinfo Accepted Submit #778851: Mobatek MobaXterm 26.1.0.5456 Uncontrolled Search Path -- DLL hijacking with msimg32.dll (by haehanse) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸