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CVE-2020-10885

CRITICAL

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 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. Was ZDI-CAN-9661.

Published: Mar 25, 2020 Modified: Jun 17, 2026
CWE-20 CWE-20

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
tp-link ac1750_firmware 190726

GitHub Security Advisory GHSA-vxvp-772h-vpg4

This vulnerability allows remote attackers to execute arbitrary code on affected installations of...

References (2)

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 7.22%

Top 6% most likely to be exploited

Threat Score 41.4 / 100

Data Sources

NVD EPSS GitHub