Summaryinfo

A vulnerability was found in TP-LINK AC1750 A7 190726 and classified as critical. Affected by this issue is some unknown functionality of the component tdpServer Service. The manipulation of the argument slave_mac as part of Parameter leads to os command injection. This vulnerability is handled as CVE-2020-10882. Access to the local network is required for this attack. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability has been found in TP-LINK AC1750 A7 190726 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component tdpServer Service. The manipulation of the argument slave_mac as part of a Parameter leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tdpServer service, which listens on UDP port 20002 by default. When parsing the slave_mac parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9650.

The weakness was published 03/25/2020. This vulnerability is known as CVE-2020-10882 since 03/24/2020. The attack needs to be initiated within the local network. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at packetstormsecurity.com. It is declared as highly functional.

Upgrading to version ZDI-CAN-9650 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (48331). Similar entries are available at VDB-152279, VDB-152278, VDB-152277 and VDB-152276. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• TP-LINK

Name

• AC1750

Version

• A7 190726

License

• commercial

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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