CVE-2022-36755 : What You Need to Know

D-Link DIR845L A1 contains an authentication vulnerability via an AUTHORIZED_GROUP=1 value, as demonstrated by a request for getcfg.php.

Understanding CVE-2022-36755

This CVE-2022-36755 vulnerability affects D-Link DIR845L A1 routers and allows unauthorized access through a specific value.

What is CVE-2022-36755?

The CVE-2022-36755 vulnerability in D-Link DIR845L A1 routers enables attackers to authenticate using the AUTHORIZED_GROUP=1 value, leading to unauthorized system access.

The Impact of CVE-2022-36755

This vulnerability can be exploited by remote attackers to gain unauthorized access to sensitive information or take control of affected routers.

Technical Details of CVE-2022-36755

The following technical details outline the vulnerability in D-Link DIR845L A1:

Vulnerability Description

The vulnerability allows attackers to authenticate using the AUTHORIZED_GROUP=1 value, potentially compromising the security of the router.

Affected Systems and Versions

D-Link DIR845L A1 routers are affected by this vulnerability with the AUTHORIZED_GROUP=1 value, making them susceptible to unauthorized access.

Exploitation Mechanism

Attackers can exploit this vulnerability through a specific request for getcfg.php, bypassing authentication mechanisms and gaining unauthorized entry.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-36755, users and administrators are advised to take the following steps:

Immediate Steps to Take

Update the router firmware to the latest version provided by D-Link.
Implement strong and unique passwords for router access.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly check for security updates and patches from D-Link.
Consider implementing network segmentation to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and updates released by D-Link to address vulnerabilities like CVE-2022-36755.