D-Link DIR-816 A2 1.11 dir_login.asp Request improper authorization

Summaryinfo

A vulnerability classified as critical has been found in D-Link DIR-816 A2 1.11. Affected by this vulnerability is an unknown functionality of the file dir_login.asp. This manipulation as part of Request causes improper authorization. This vulnerability is tracked as CVE-2019-10040. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in D-Link DIR-816 A2 1.11 (Router Operating System) and classified as critical. Affected by this vulnerability is some unknown processing of the file dir_login.asp. The manipulation as part of a Request leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The D-Link DIR-816 A2 1.11 router only checks the random token when authorizing a goform request. An attacker can get this token from dir_login.asp and use a hidden API URL /goform/SystemCommand to execute a system command without authentication.

The bug was discovered 03/20/2019. The weakness was disclosed 03/25/2019. This vulnerability is known as CVE-2019-10040 since 03/25/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 08/07/2023). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. By approaching the search of inurl:dir_login.asp it is possible to find vulnerable targets with Google Hacking.

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

The entries VDB-132189, VDB-132188 and VDB-132186 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-816 A2

Version

• 1.11

License

• commercial

Website

• Vendor: https://www.dlink.com/

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CPE 2.2info

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