ZDI-CAN-14655: TP-Link Archer C90 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 C90 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 root.

Affected Software

1 affected component
TP-Link Archer C90

Event History

Feb 24, 2025
Advisory Published
via ZDI·07:31 AM

Frequently Asked Questions

1

What is the severity of ZDI-CAN-14655?

ZDI-CAN-14655 has a critical severity level due to its potential for remote code execution without authentication.

2

How does ZDI-CAN-14655 affect TP-Link Archer C90 routers?

ZDI-CAN-14655 allows remote attackers to execute arbitrary code on affected TP-Link Archer C90 routers by exploiting a flaw in the handling of DNS responses.

3

Is authentication required to exploit ZDI-CAN-14655?

No, authentication is not required to exploit the vulnerability indicated by ZDI-CAN-14655.

4

What types of attacks can be executed using ZDI-CAN-14655?

Exploitation of ZDI-CAN-14655 can allow attackers to execute arbitrary code on the targeted TP-Link Archer C90 routers.

5

How can I mitigate the risks associated with ZDI-CAN-14655?

To mitigate ZDI-CAN-14655, ensure your TP-Link Archer C90 firmware is updated to the latest version provided by the manufacturer.

Contact

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