CVE-2020-10885 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Ac1750 Firmware	190726
Tp-Link	Ac1750	-

Related Weaknesses (CWE)

CWE-20

References

https://www.zerodayinitiative.com/advisories/ZDI-20-337/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-337/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-10885?

CVE-2020-10885 is a vulnerability with a CVSS score of 9.8 (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 ...

How severe is CVE-2020-10885?

CVE-2020-10885 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-10885?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Ac1750 Firmware, Tp-Link Ac1750.