Remote Code Execution Vulnerability in TP-Link Archer A7 Firmware
CVE-2020-10885

8.1HIGH

Key Information:

Vendor

Tp-link
Status
Archer A7
Vendor
CVE Published:
25 March 2020

What is CVE-2020-10885?

This security flaw in the TP-Link Archer A7 Firmware allows remote attackers to execute arbitrary code due to improper validation of DNS responses. The vulnerability exists because the router does not adequately process DNS responses before performing actions, which could lead to execution of malicious code by an unauthenticated user. Attackers can exploit this issue, particularly in conjunction with other vulnerabilities, posing a significant threat to device integrity and user security.

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Affected Version(s)

Archer A7 Firmware Ver: 190726

References

https://www.zerodayinitiative.com/advisories/ZDI-20-337/
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CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pedro Ribeiro and Radek Domanski of Team Flashback
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