ZDI-20-333: (Pwn2Own) TP-Link Archer A7 DNS Response Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to 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 handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-20-333?
The severity of ZDI-20-333 is critical due to the potential for remote code execution.
How do I fix ZDI-20-333?
To fix ZDI-20-333, update the firmware of your TP-Link Archer A7 AC1750 router to the latest version provided by TP-Link.
What type of attack does ZDI-20-333 facilitate?
ZDI-20-333 facilitates remote code execution attacks without the need for authentication.
What devices are affected by ZDI-20-333?
ZDI-20-333 affects TP-Link Archer A7 AC1750 routers running vulnerable firmware versions.
Is authentication required to exploit ZDI-20-333?
No, authentication is not required to exploit the vulnerability identified in ZDI-20-333.