A vulnerability has been found in D-Link DIR-605L (Router Operating System) and classified as problematic. This vulnerability affects an unknown function of the component HNAP. The manipulation of the argument password as part of a HTTP Request leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered on D-Link DIR-605L Model B before FW2.11betaB06_hbrf devices, related to the code that handles the authentication values for HNAP. An attacker can cause a denial of service (device crash) or possibly have unspecified other impact by sending a sufficiently long string in the password field of the HTTP Basic Authentication section of the HTTP request.

The bug was discovered 11/11/2017. The weakness was published 11/30/2017 (Website). The advisory is available at FTP2.DLINK.COM. This vulnerability was named CVE-2017-17065 since 11/29/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version FW2.11betaB06_hbrf eliminates this vulnerability.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-605L

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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