Synology Router Manager up to 1.3.1-9346-11 Portenable CGI path traversal

Summaryinfo

A vulnerability identified as critical has been detected in Synology Router Manager. This impacts an unknown function of the component Portenable CGI. The manipulation leads to path traversal. This vulnerability is listed as CVE-2025-29846. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Synology Router Manager. This issue affects some unknown functionality of the component Portenable CGI. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality. The summary by CVE is:

A vulnerability in portenable cgi allows remote authenticated users to get the status of installed packages.

The weakness was presented by Qian Chen as SA_25_04. It is possible to read the advisory at synology.com. The identification of this vulnerability is CVE-2025-29846 since 03/12/2025. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 1.3.1-9346-13 eliminates this vulnerability.

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Productinfo

Type

• Router Operating System

Vendor

• Synology

Name

• Router Manager

Version

• 1.1.4-6509
• 1.1.5-6542-4
• 1.1.6-6931
• 1.1.7-6941
• 1.1.7-6941-1
• 1.1.7-6941-2
• 1.2.3-8017-2
• 1.2.4-8081
• 1.2.5-8227-6
• 1.2.5-8227-11
• 1.3
• 1.3.1-9346-3
• 1.3.1-9346-6
• 1.3.1-9346-8
• 1.3.1-9346-9
• 1.3.1-9346-10
• 1.3.1-9346-11

License

• commercial

Website

• Vendor: https://www.synology.com/

CPE 2.3info

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