TP-LINK Tapo C200 on TP UART Port access control

Summaryinfo

A vulnerability was found in TP-LINK Tapo C200 on TP. It has been rated as critical. This affects an unknown part of the component UART Port. Performing a manipulation results in access control. This vulnerability is reported as CVE-2022-41505. The attack may be carried out on the physical device. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in TP-LINK Tapo C200 on TP (version unknown). This affects an unknown function of the component UART Port. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An access control issue on TP-LInk Tapo C200 V1 devices allows physically proximate attackers to obtain root access by connecting to the UART pins, interrupting the boot process, and setting an init=/bin/sh value.

The weakness was disclosed 01/23/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2022-41505 since 09/26/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

Vendor

• TP-LINK

Name

• Tapo C200

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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