D-Link DIR-823G V1.0.2B05 HNAP1 SetWanSettings MaxIdTime command injection

Summaryinfo

A vulnerability classified as critical was found in D-Link DIR-823G V1.0.2B05. This affects the function SetWanSettings of the component HNAP1. The manipulation of the argument MaxIdTime as part of Shell Metacharacter results in command injection. This vulnerability is reported as CVE-2019-15527. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in D-Link DIR-823G V1.0.2B05 (Router Operating System). Affected is the function SetWanSettings of the component HNAP1. The manipulation of the argument MaxIdTime as part of a Shell Metacharacter 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. CVE summarizes:

An issue was discovered on D-Link DIR-823G devices with firmware V1.0.2B05. There is a command injection in HNAP1 (exploitable with Authentication) via shell metacharacters in the MaxIdTime field to SetWanSettings.

The weakness was disclosed 08/23/2019. This vulnerability is traded as CVE-2019-15527 since 08/23/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The successful exploitation requires a authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 12/01/2023). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

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

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Productinfo

Type

• Router Operating System

Vendor

• D-Link

Name

• DIR-823G

Version

• V1.0.2B05

License

• commercial

Website

• Vendor: https://www.dlink.com/

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