D-Link DIR-513 1.10 /goform/formLogin FILECODE path traversal

Summaryinfo

A vulnerability identified as critical has been detected in D-Link DIR-513 1.10. This affects an unknown function of the file /goform/formLogin. This manipulation of the argument FILECODE causes path traversal. This vulnerability is registered as CVE-2025-70231. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in D-Link DIR-513 1.10. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file /goform/formLogin. The manipulation of the argument FILECODE 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. The summary by CVE is:

D-Link DIR-513 version 1.10 contains a critical-level vulnerability. When processing POST requests related to verification codes in /goform/formLogin, it enters /goform/getAuthCode but fails to filter the value of the FILECODE parameter, resulting in a path traversal vulnerability.

The advisory is shared at dlink.com. This vulnerability is known as CVE-2025-70231 since 01/09/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/07/2026). 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-2025-208318). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-513

Version

• 1.10

License

• commercial

Website

• Vendor: https://www.dlink.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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