Stack-based buffer overflow in Archer C90 - CVE-2021-35003

 

Stack-based buffer overflow in Archer C90 - CVE-2021-35003

Published: January 18, 2022


Vulnerability identifier: #VU59684
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-35003
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Archer C90
Software vendor:
TP-Link

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the handling of DNS responses. A remote unauthenticated attacker can send a specially crafted DNS message, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links