D-Link DSL6740C MAC Address path traversal

Summaryinfo

A vulnerability, which was classified as problematic, has been found in D-Link DSL6740C. Affected is an unknown function of the component MAC Address Handler. The manipulation leads to path traversal. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is referenced as CVE-2024-11067. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in D-Link DSL6740C (affected version unknown) and classified as problematic. This issue affects an unknown functionality of the component MAC Address Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. Impacted is confidentiality. The summary by CVE is:

The D-Link DSL6740C modem has a Path Traversal Vulnerability, allowing unauthenticated remote attackers to exploit this vulnerability to read arbitrary system files. Additionally, since the device's default password is a combination of the MAC address, attackers can obtain the MAC address through this vulnerability and attempt to log in to the device using the default password.

The advisory is shared at twcert.org.tw. The identification of this vulnerability is CVE-2024-11067 since 11/11/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/11/2024). 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.

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

Productinfo

Vendor

• D-Link

Name

• DSL6740C

License

• commercial

Support

• end of life

Website

• Vendor: https://www.dlink.com/

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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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