ASUSTOR ADM up to 4.3.3.ROF1/5.1.2.RE51 FTP Backup path traversal

Summaryinfo

A vulnerability marked as critical has been reported in ASUSTOR ADM up to 4.3.3.ROF1/5.1.2.RE51. This affects an unknown part of the component FTP Backup. This manipulation causes path traversal. This vulnerability is handled as CVE-2026-3179. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in ASUSTOR ADM up to 4.3.3.ROF1/5.1.2.RE51 and classified as problematic. Affected by this vulnerability is an unknown code of the component FTP Backup. 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 integrity. The summary by CVE is:

The FTP Backup on the ADM does not properly sanitize filenames received from the FTP server when parsing directory listings. A malicious server or MITM attacker can craft filenames containing path traversal sequences, causing the client to write files outside the intended backup directory. A path traversal vulnerability may allow an attacker to overwrite arbitrary files on the system and potentially achieve privilege escalation or remote code execution. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.2.RE51.

The weakness was released by Nuke. The advisory is shared at asustor.com. This vulnerability is known as CVE-2026-3179 since 02/25/2026. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/25/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-8517). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• ASUSTOR

Name

• ADM

Version

• 4.3.3.ROF1
• 5.1.2.RE51

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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