CVE-2022-27945 : What You Need to Know

NETGEAR R8500 1.0.2.158 devices are vulnerable to remote code execution, allowing authenticated users to run arbitrary commands through malicious input in specific parameters.

Understanding CVE-2022-27945

This CVE involves a security issue on NETGEAR R8500 1.0.2.158 devices that enables authenticated remote users to execute unauthorized commands.

What is CVE-2022-27945?

The vulnerability in NETGEAR R8500 1.0.2.158 devices permits remote authenticated users to execute arbitrary commands, like telnetd, by manipulating certain parameters.

The Impact of CVE-2022-27945

This security flaw poses a significant risk as it allows attackers to gain unauthorized access and potentially take control of affected devices remotely.

Technical Details of CVE-2022-27945

This section dives into the specifics of the vulnerability in NETGEAR R8500 1.0.2.158 devices.

Vulnerability Description

The issue arises due to insufficient input validation in the sysNewPasswd and sysConfirmPasswd parameters in password.cgi, enabling remote command execution.

Affected Systems and Versions

NETGEAR R8500 devices running version 1.0.2.158 are impacted by this vulnerability.

Exploitation Mechanism

Remote authenticated users can exploit this flaw by inserting shell metacharacters in the vulnerable parameters to execute unauthorized commands.

Mitigation and Prevention

To secure your system and prevent exploitation of CVE-2022-27945, immediate actions and long-term security practices are crucial.

Immediate Steps to Take

Update the NETGEAR R8500 firmware to the latest version that includes a patch for this vulnerability.
Ensure strong and unique passwords are set for all accounts on the device.

Long-Term Security Practices

Regularly monitor security advisories from NETGEAR and apply patches promptly.
Implement network segmentation to restrict access to vulnerable devices.

Patching and Updates

Regularly check for firmware updates and security patches provided by NETGEAR to address known vulnerabilities.