ZDI-21-215: TP-Link AC1750 sync-server Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent 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 MAC addresses by the tdpServer endpoint. A crafted TCP message can write stack pointers to the stack. 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-21-215?
ZDI-21-215 is classified as a critical vulnerability due to its potential for remote code execution without authentication.
How do I fix ZDI-21-215?
To remediate ZDI-21-215, users should update their TP-Link Archer A7 AC1750 routers to the latest firmware version provided by TP-Link.
Who is affected by ZDI-21-215?
The ZDI-21-215 vulnerability affects installations of TP-Link Archer A7 AC1750 routers that have not been patched.
What type of attack is possible with ZDI-21-215?
ZDI-21-215 allows network-adjacent attackers to execute arbitrary code on affected TP-Link routers.
Is authentication required to exploit ZDI-21-215?
No, authentication is not required to exploit the ZDI-21-215 vulnerability.