Vulnerabilities > CVE-2021-35003 - Stack-based Buffer Overflow vulnerability in Tp-Link Archer C90 Firmware 1.0.6

047910
CVSS 10.0 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
low complexity
tp-link
CWE-121
critical

Summary

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer C90 1.0.6 Build 20200114 rel.73164(5553) 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 root. Was ZDI-CAN-14655.

Vulnerable Configurations

Part Description Count
OS
Tp-Link
1
Hardware
Tp-Link
1

Common Weakness Enumeration (CWE)