ZDI-20-336: (Pwn2Own) TP-Link Archer A7 tdpServer Use of Hard-coded Cryptographic Key Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers execute arbitrary code on affected installations of TP-Link Archer A7 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. This issue results from the use of hard-coded encryption key. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-20-336?
ZDI-20-336 has a high severity rating due to its potential for arbitrary code execution.
How do I fix ZDI-20-336?
To fix ZDI-20-336, update your TP-Link Archer A7 AC1750 router firmware to the latest version provided by TP-Link.
What type of attacks does ZDI-20-336 enable?
ZDI-20-336 enables network-adjacent attackers to execute arbitrary code without authentication.
Which devices are impacted by ZDI-20-336?
The vulnerability ZDI-20-336 affects the TP-Link Archer A7 AC1750 routers.
Is authentication required to exploit ZDI-20-336?
No, authentication is not required to exploit the vulnerability ZDI-20-336.