D-Link DIR-818LW up to 2.06B01 BETA HNAP1 IPAddress command injection

Summaryinfo

A vulnerability identified as critical has been detected in D-Link DIR-818LW up to 2.06B01 BETA. Affected by this vulnerability is an unknown functionality of the component HNAP1. Performing a manipulation of the argument IPAddress results in command injection. This vulnerability is reported as CVE-2019-12786. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in D-Link DIR-818LW up to 2.06B01 BETA (Router Operating System). It has been classified as critical. This affects some unknown functionality of the component HNAP1. The manipulation of the argument IPAddress with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on D-Link DIR-818LW devices from 2.05.B03 to 2.06B01 BETA. There is a command injection in HNAP1 SetWanSettings via an XML injection of the value of the IPAddress key.

The weakness was disclosed 06/10/2019. This vulnerability is uniquely identified as CVE-2019-12786 since 06/10/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is required for 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 10/03/2023). MITRE ATT&CK project uses the attack technique T1202 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 entry VDB-136258 is pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-818LW

Version

• 2.06B01 BETA

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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