ZDI-21-1240: NETGEAR R6260 setupwizard.cgi Stack-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. A crafted SOAP request 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-21-1240?
ZDI-21-1240 has a critical severity rating due to the potential for arbitrary code execution without authentication.
How do I fix ZDI-21-1240?
To mitigate ZDI-21-1240, update the NETGEAR R6260 router to the latest firmware version provided by NETGEAR.
Who is affected by ZDI-21-1240?
ZDI-21-1240 affects installations of NETGEAR R6260 routers that have not been patched.
Can ZDI-21-1240 be exploited remotely?
Yes, ZDI-21-1240 can be exploited by network-adjacent attackers without the need for authentication.
What kind of attack is ZDI-21-1240 related to?
ZDI-21-1240 is related to remote code execution vulnerabilities that exploit flaws in the router's setup wizard.