What is the severity of ZDI-20-337?

ZDI-20-337 is classified as a critical vulnerability due to its ability to allow remote code execution without authentication.

How do I fix ZDI-20-337?

To mitigate ZDI-20-337, users should update their TP-Link Archer A7 AC1750 routers to the latest firmware provided by TP-Link.

Who is affected by ZDI-20-337?

Users of TP-Link Archer A7 AC1750 routers are affected by the ZDI-20-337 vulnerability.

Can ZDI-20-337 be exploited remotely?

Yes, ZDI-20-337 can be exploited remotely by attackers, and no authentication is required to carry out the attack.

What type of attack does ZDI-20-337 enable?

ZDI-20-337 enables remote attackers to execute arbitrary code on vulnerable TP-Link Archer A7 routers.

Vulnerability/
ZDI-20-337

high

8.1

21/10/2023

ZDI-20-337: (Pwn2Own) TP-Link Archer A7 DNS Response Improper Input Validation 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. The issue results from the lack of proper validation of DNS reponses prior to further processing. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the root user.

Affected Software	Affected Version	How to fix
TP-Link Archer A7

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-20-337/

Frequently Asked Questions

What is the severity of ZDI-20-337?
ZDI-20-337 is classified as a critical vulnerability due to its ability to allow remote code execution without authentication.
How do I fix ZDI-20-337?
To mitigate ZDI-20-337, users should update their TP-Link Archer A7 AC1750 routers to the latest firmware provided by TP-Link.
Who is affected by ZDI-20-337?
Users of TP-Link Archer A7 AC1750 routers are affected by the ZDI-20-337 vulnerability.
Can ZDI-20-337 be exploited remotely?
Yes, ZDI-20-337 can be exploited remotely by attackers, and no authentication is required to carry out the attack.
What type of attack does ZDI-20-337 enable?
ZDI-20-337 enables remote attackers to execute arbitrary code on vulnerable TP-Link Archer A7 routers.

collector/zdi-advisory
alias/ZDI-20-337
alias/ZDI-CAN-9661
alias/CVE-2020-10885
vendor/tp-link
canonical/tp-link archer a7

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Frequently Asked Questions

What is the severity of ZDI-20-337?
ZDI-20-337 is classified as a critical vulnerability due to its ability to allow remote code execution without authentication.
How do I fix ZDI-20-337?
To mitigate ZDI-20-337, users should update their TP-Link Archer A7 AC1750 routers to the latest firmware provided by TP-Link.
Who is affected by ZDI-20-337?
Users of TP-Link Archer A7 AC1750 routers are affected by the ZDI-20-337 vulnerability.
Can ZDI-20-337 be exploited remotely?
Yes, ZDI-20-337 can be exploited remotely by attackers, and no authentication is required to carry out the attack.
What type of attack does ZDI-20-337 enable?
ZDI-20-337 enables remote attackers to execute arbitrary code on vulnerable TP-Link Archer A7 routers.