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CVE-2020-10881
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. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9660.
Published: Mar 25, 2020
Modified: Jun 17, 2026
CWE-121
CWE-787
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-8w5p-3q5j-2w9h
This vulnerability allows remote attackers to execute arbitrary code on affected installations of...
References (2)
- https://www.zerodayinitiative.com/advisories/ZDI-20-333/ Third Party Advisory, VDB Entry
- https://www.zerodayinitiative.com/advisories/ZDI-20-333/ Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
10.89%
Top 4% most likely to be exploited
Threat Score
42.5 / 100
Data Sources
NVD
EPSS
GitHub