TP-LINK TL-WA855RE 855rev4-up-ver1-0-1-P1[20191213-rel60361] Authentication Mechanism improper authentication

Summaryinfo

A vulnerability classified as critical has been found in TP-LINK TL-WA855RE 855rev4-up-ver1-0-1-P1[20191213-rel60361]. This impacts an unknown function of the component Authentication Mechanism. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2020-10916. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability has been found in TP-LINK TL-WA855RE 855rev4-up-ver1-0-1-P1[20191213-rel60361] (Router Operating System) and classified as critical. Affected by this vulnerability is some unknown processing of the component Authentication Mechanism. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the first-time setup process. The issue results from the lack of proper validation on first-time setup requests. An attacker can leverage this vulnerability to reset the password for the Admin account and execute code in the context of the device. Was ZDI-CAN-10003.

The weakness was disclosed 05/07/2020. This vulnerability is known as CVE-2020-10916 since 03/24/2020. Access to the local network is required for this attack to succeed. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available.

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

• TP-LINK

Name

• TL-WA855RE

Version

• 855rev4-up-ver1-0-1-P1[20191213-rel60361]

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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