CVE-2021-27251: (Pwn2Own) NETGEAR Nighthawk R7800 ready-genie-cloud Insecure Download of Critical Component Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-27251?
CVE-2021-27251 has a critical severity rating due to its potential to allow arbitrary code execution without authentication.
How do I fix CVE-2021-27251?
To fix CVE-2021-27251, users should update their NETGEAR Nighthawk R7800 firmware to the latest version, addressing the vulnerability.
Which devices are affected by CVE-2021-27251?
CVE-2021-27251 affects the NETGEAR Nighthawk R7800 and several other NETGEAR devices with specific firmware versions.
Can CVE-2021-27251 be exploited remotely?
Yes, CVE-2021-27251 can be exploited remotely by network-adjacent attackers without the need for authentication.
What are the implications of exploiting CVE-2021-27251?
Exploiting CVE-2021-27251 may allow attackers to execute arbitrary code, potentially leading to a complete compromise of the affected device's functionality.