D-Link DIR-823G 1.02B03 HNAP API /bin/goahead access control

Summaryinfo

A vulnerability identified as critical has been detected in D-Link DIR-823G 1.02B03. This issue affects some unknown processing of the file /bin/goahead of the component HNAP API. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2019-8392. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in D-Link DIR-823G 1.02B03 (Router Operating System) and classified as critical. This issue affects some unknown functionality of the file /bin/goahead of the component HNAP API. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to enable Guest Wi-Fi via the SetWLanRadioSettings HNAP API to the web service provided by /bin/goahead.

The bug was discovered 02/15/2019. The weakness was disclosed 02/17/2019. The identification of this vulnerability is CVE-2019-8392 since 02/16/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 07/11/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.

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

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-823G

Version

• 1.02B03

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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