SB2021011909 - Multiple vulnerabilities in NETGEAR Routers

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper Authentication (CVE-ID: CVE-2020-27872)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper state tracking in the password recovery process within the "mini_httpd" service. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.

2) Improper Authentication (CVE-ID: N/A)

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote administrator on the local network can bypass authentication process and gain unauthorized access to the application.

3) Improper Authentication (CVE-ID: N/A)

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote administrator on the local network can bypass authentication process and gain unauthorized access to the application.

4) Improper access control (CVE-ID: CVE-2020-27873)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper access restrictions within the SOAP API endpoint. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://www.zerodayinitiative.com/advisories/ZDI-21-071/
• https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Routers
• https://kb.netgear.com/000062641/Security-Advisory-for-Password-Recovery-Vulnerabilities-on-Some-Rou...
• https://www.zerodayinitiative.com/advisories/ZDI-21-072/