What is CVE-2020-10885?

CVE-2020-10885 is a vulnerability that allows remote attackers to execute arbitrary code on TP-Link Archer A7 routers without authentication.

How severe is CVE-2020-10885?

CVE-2020-10885 has a severity rating of 9.8, which is considered critical.

What is the affected software for CVE-2020-10885?

The affected software for CVE-2020-10885 is TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers.

How can CVE-2020-10885 be exploited?

CVE-2020-10885 can be exploited by sending specially crafted DNS responses to the vulnerable router.

Is authentication required to exploit CVE-2020-10885?

No, authentication is not required to exploit CVE-2020-10885.

Vulnerability/
CVE-2020-10885

critical

9.8

CWE

25/3/2020

31/3/2020

21/10/2023

CVE-2020-10885: (Pwn2Own) TP-Link Archer A7 DNS Response Improper Input Validation Remote Code Execution Vulnerability

First published: Wed Mar 25 2020(Updated: )

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.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
TP-Link Archer A7
Tp-link Ac1750 Firmware	=190726
TP-Link AC1750

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Reference Links

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

Frequently Asked Questions

What is CVE-2020-10885?
CVE-2020-10885 is a vulnerability that allows remote attackers to execute arbitrary code on TP-Link Archer A7 routers without authentication.
How severe is CVE-2020-10885?
CVE-2020-10885 has a severity rating of 9.8, which is considered critical.
What is the affected software for CVE-2020-10885?
The affected software for CVE-2020-10885 is TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers.
How can CVE-2020-10885 be exploited?
CVE-2020-10885 can be exploited by sending specially crafted DNS responses to the vulnerable router.
Is authentication required to exploit CVE-2020-10885?
No, authentication is not required to exploit CVE-2020-10885.

collector/zdi-advisory
alias/ZDI-20-337
alias/ZDI-CAN-9661
alias/CVE-2020-10885
collector/nvd-index
agent/references
agent/weakness
agent/title
agent/author
agent/severity
agent/type
agent/description
agent/event
agent/last-modified-date
agent/softwarecombine
vendor/tp-link
canonical/tp-link archer a7
canonical/tp-link ac1750 firmware
version/tp-link ac1750 firmware/190726
canonical/tp-link ac1750

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