Electerm up to 3.15.119 File Transfer transfer.jsx path traversal

Summaryinfo

A vulnerability was found in Electerm up to 3.15.119. It has been declared as problematic. Affected is an unknown function of the file src/client/components/file-transfer/transfer.jsx of the component File Transfer. The manipulation results in path traversal. This vulnerability is cataloged as CVE-2026-73225. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Electerm up to 3.15.119. It has been classified as problematic. Affected is some unknown processing of the file src/client/components/file-transfer/transfer.jsx of the component File Transfer. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. CVE summarizes:

electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.15.120, electerm allows a malicious FTP or SFTP server to write attacker-controlled content outside the selected download directory because recursive transfers in src/client/components/file-transfer/transfer.jsx pass server-supplied file.name and folder.name values to resolve without sanitization. This issue is fixed in version 3.15.120.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-73225 since 08/11/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 3.15.120 eliminates this vulnerability.

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Productinfo

Name

• Electerm

Version

• 3.15.119

Website

• Product: https://github.com/electerm/electerm/

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