Vulnerabilities > CVE-2021-34980 - Out-of-bounds Write vulnerability in Netgear R6260 Firmware 1.1.0.781.0.1

047910
CVSS 8.3 - HIGH
Attack vector
ADJACENT_NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
low complexity
netgear
CWE-787

Summary

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. When parsing the SOAP_LOGIN_TOKEN environment variable, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14107.

Vulnerable Configurations

Part Description Count
OS
Netgear
1
Hardware
Netgear
1

Common Weakness Enumeration (CWE)