ZDI-22-080: 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-22-080?

The severity of ZDI-22-080 is high due to its potential to allow remote code execution without authentication.

2

How do I fix ZDI-22-080?

To fix ZDI-22-080, update your TP-Link Archer C90 router to the latest firmware version provided by TP-Link.

3

What devices are affected by ZDI-22-080?

The only affected device listed for ZDI-22-080 is the TP-Link Archer C90 router.

4

Can ZDI-22-080 be exploited remotely?

Yes, ZDI-22-080 can be exploited remotely as it does not require authentication.

5

What type of attack does ZDI-22-080 facilitate?

ZDI-22-080 facilitates remote code execution attacks through malicious DNS messages.

Contact

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