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TI-2026-05636 Aliases CVE-2026-6421GHSA-hf75-j846-hmxr

Mobatek MobaXterm Home Edition msimg32.dll uncontrolled search path

Priority LOW 33CWE-426Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-426.

Summary

A vulnerability has been found in Mobatek MobaXterm Home Edition up to 26.1. This affects an unknown part in the library msimg32.dll. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 26.2 is able to mitigate this issue. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0015 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MobaXterm Home Edition (Mobatek): 26.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MobatekMobaXterm Home Edition26.0; 26.126.2Patch availableCNA
  • MobaXterm Home Edition VendorMobatek Affected 26.0; 26.1 Fixed in 26.2 Patch available CNA

Remediation

  • Fix · CNA MobaXterm Home Edition (Mobatek) Fixed in 26.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6421
  2. 2026-10-03 Alias added: GHSA-hf75-j846-hmxr

References

Exploit 1

Patch 1

Other 1

  • TI-2019-15791 Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File CVSS 4.0CRITICAL 9.3
  • TI-2022-17979 An access control issue in MobaXterm before v22.1 allows attackers to make connections to… CVSS 3.1HIGH 8.1
  • TI-2022-17980 When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the… CVSS 3.1CRITICAL 9.1
  • TI-2017-11289 The TELNET service in Mobatek MobaXterm 10.4 does not require authentication, which… CVSS 3.1CRITICAL 9.8
  • TI-2019-12274 In MobaXterm 11.1 and 12.1, the protocol handler is vulnerable to command injection. CVSS 3.1HIGH 8.8
  • TI-2019-05419 In MobaTek MobaXterm Personal Edition v11.1 Build 3860, the SSH private key and its… CVSS 3.0CRITICAL 9.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences