CVE-2020-10881 — 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. 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.

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-121 CWE-787

References

https://www.zerodayinitiative.com/advisories/ZDI-20-333/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-333/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-10881?

CVE-2020-10881 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-2020-10881?

CVE-2020-10881 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-2020-10881?

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