CVE-2021-45524 : Exploit Details and Defense Strategies

NETGEAR R8000 devices before 1.0.4.62 are affected by a buffer overflow by an authenticated user.

Understanding CVE-2021-45524

NETGEAR R8000 devices are susceptible to a buffer overflow vulnerability when running a version prior to 1.0.4.62. This CVE record provides detailed insights into the impact and technical aspects of the vulnerability.

What is CVE-2021-45524?

The CVE-2021-45524 vulnerability pertains to a buffer overflow issue in NETGEAR R8000 devices that allows an authenticated user to execute arbitrary code or cause a denial of service (DoS) condition.

The Impact of CVE-2021-45524

CVSS Base Score: 7.6 (High)
Attack Vector: Adjacent Network
Impact: High impact on Confidentiality, Integrity, and Availability
Scope: Changed
Authenticated user interaction required

Technical Details of CVE-2021-45524

The technical details shed light on the specifics of the vulnerability and its exploitation.

Vulnerability Description

The vulnerability is a buffer overflow in NETGEAR R8000 devices before version 1.0.4.62, allowing authenticated users to trigger malicious code execution or a DoS situation.

Affected Systems and Versions

Affected Systems: NETGEAR R8000 devices
Vulnerable Versions: Before 1.0.4.62

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to manipulate input and execute arbitrary code or disrupt services.

Mitigation and Prevention

To safeguard systems from CVE-2021-45524, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Update NETGEAR R8000 devices to version 1.0.4.62 or later
Restrict access to authenticated users
Monitor network for suspicious activities

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security audits and assessments

Patching and Updates

Regularly check for vendor patches and updates to address known vulnerabilities.