This vulnerability allows remote attackers to delete sensitive files on vulnerable installations of Mitel MiVoice Office 400. Authentication is required to exploit this vulnerability.




The specific flaw exists within the web portal listening on TCP port 443, under Maintenance → File Management → File Browser, which is affected by a directory traversal vulnerability. By exploiting this vulnerability, an authenticated attacker can access and delete files outside of the intended directory, including files belonging to the Mitel application and the underlying Linux system. Deleting critical system or application files can result in a denial-of-service condition affecting the underlying system.
Advisories

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Fixes

Solution

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Workaround

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History

Mon, 05 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
Description This vulnerability allows remote attackers to delete sensitive files on vulnerable installations of Mitel MiVoice Office 400. Authentication is required to exploit this vulnerability. The specific flaw exists within the web portal listening on TCP port 443, under Maintenance → File Management → File Browser, which is affected by a directory traversal vulnerability. By exploiting this vulnerability, an authenticated attacker can access and delete files outside of the intended directory, including files belonging to the Mitel application and the underlying Linux system. Deleting critical system or application files can result in a denial-of-service condition affecting the underlying system.
Title Mitel MiVoice Office 400 File Management File Browser path traversal vulnerability
Weaknesses CWE-31
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/AU:Y/U:Amber'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published:

Updated: 2026-10-05T08:33:36.306Z

Reserved: 2026-10-02T13:47:47.693Z

Link: CVE-2026-104810

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-05T09:17:10.153

Modified: 2026-10-05T09:17:10.153

Link: CVE-2026-104810

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses