ZDI-CAN-13992: TP-Link TL-WR940N httpd ssid1 Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-13992?
The severity of ZDI-CAN-13992 is considered critical due to its potential for remote code execution.
How do I fix ZDI-CAN-13992?
To fix ZDI-CAN-13992, ensure that your TP-Link TL-WR940N router's firmware is updated to the latest version provided by TP-Link.
What type of attack can exploit ZDI-CAN-13992?
ZDI-CAN-13992 can be exploited by network-adjacent attackers to execute arbitrary code on vulnerable TP-Link TL-WR940N routers.
Do I need authentication to exploit ZDI-CAN-13992?
Yes, authentication is required to exploit ZDI-CAN-13992 on affected installations of TP-Link TL-WR940N routers.
Which product is affected by ZDI-CAN-13992?
The affected product for ZDI-CAN-13992 is the TP-Link TL-WR940N router.