Totolink A3002MU 1.0.0-B20230403.1455 File Upload /boafrm/formUploadFile sub_44B250 filename path traversal

Summaryinfo

A vulnerability was found in Totolink A3002MU 1.0.0-B20230403.1455. It has been classified as critical. Affected is the function sub_44B250 of the file /boafrm/formUploadFile of the component File Upload Handler. This manipulation of the argument filename causes path traversal. This vulnerability is tracked as CVE-2026-105286. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Totolink A3002MU 1.0.0-B20230403.1455. It has been declared as critical. Affected by this vulnerability is the function sub_44B250 of the file /boafrm/formUploadFile of the component File Upload Handler. The manipulation of the argument filename 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, integrity, and availability.

It is possible to read the advisory at gist.github.com. This vulnerability is known as CVE-2026-105286. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

It is possible to download the exploit at gist.github.com. 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Totolink

Name

• A3002MU

Version

• 1.0.0-B20230403.1455

License

• commercial

Website

• Vendor: https://www.totolink.net/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #977225: TOTOLINK A3002MU V1.0.0-B20230403.1455 Path Traversal (by H3rmesk1t)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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