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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)
- https://www.zerodayinitiative.com/advisories/ZDI-20-337/ Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-337/ Third Party Advisory, VDB Entry
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