Mitel MiVoice Office 400 11.0.96.0 System Logs path traversal

Summaryinfo

A vulnerability has been found in Mitel MiVoice Office 400 11.0.96.0 and classified as problematic. The impacted element is an unknown function of the component System Logs. This manipulation causes path traversal. This vulnerability appears as CVE-2026-104806. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Mitel MiVoice Office 400 11.0.96.0 and classified as problematic. Affected by this vulnerability is an unknown part of the component System Logs. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The summary by CVE is:

DigitalCanion has discovered a path traversal vulnerability that allows an attacker to access files outside of the intended directory. The specific flaw exists within the Maintenance → System Logs functionality of the web management portal listening on TCP port 443. The application fails to properly validate user-supplied file paths, allowing an attacker to manipulate the requested path and traverse the underlying directory structure. By exploiting this vulnerability, an attacker can access and download files located outside the intended system logs directory, including potentially sensitive system and application files.

It is possible to read the advisory at digitalcanion.com. This vulnerability is known as CVE-2026-104806 since 10/02/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/05/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Mitel

Name

• MiVoice Office 400

Version

• 11.0.96.0

License

• commercial

CPE 2.3info

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CPE 2.2info

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