CVE-2022-27644 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2022-27644, a vulnerability affecting NETGEAR R6700v3 1.0.4.120_10.0.91 routers.

Understanding CVE-2022-27644

CVE-2022-27644 is a vulnerability that allows network-adjacent attackers to compromise the integrity of downloaded information on affected NETGEAR R6700v3 routers.

What is CVE-2022-27644?

This vulnerability in the NETGEAR R6700v3 routers enables attackers to manipulate downloaded information integrity without the need for authentication, leveraging flaws in HTTPS file downloading and certificate validation.

The Impact of CVE-2022-27644

The vulnerability can lead to unauthorized execution of arbitrary code in the context of root, potentially granting attackers extensive control over the affected routers.

Technical Details of CVE-2022-27644

The following technical details outline the vulnerability in depth:

Vulnerability Description

The flaw arises from improper validation of certificates presented by the server during file downloads via HTTPS on NETGEAR R6700v3 routers.

Affected Systems and Versions

Vendor: NETGEAR
Product: R6700v3
Vulnerable Version: 1.0.4.120_10.0.91

Exploitation Mechanism

Attackers can exploit this vulnerability to compromise the integrity of downloaded information and execute arbitrary code without requiring authentication.

Mitigation and Prevention

To address CVE-2022-27644, take the following steps:

Immediate Steps to Take

Disable remote management if not needed
Monitor vendor updates for patches

Long-Term Security Practices

Regularly update firmware
Implement strong network security measures

Patching and Updates

Stay informed on security advisories from NETGEAR and apply patches promptly to mitigate the risk posed by CVE-2022-27644.