CVE-2021-45642 Misconfiguration in n/a

High 7.5 Published 26 Dec 2021 Updated 4 Aug 2024

Incorrect security settings in NETGEAR router firmware allow attackers to bypass security controls, requiring firmware updates to remediate.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-45642?

CVE-2021-45642 is a high-severity vulnerability in Netgear D7800 Firmware, published on 26 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Which versions are affected by CVE-2021-45642?

It affects 29 products.

Products include Netgear D7800 Firmware, Netgear Ex6250 Firmware, Netgear Ex6400v2 Firmware, Netgear Ex6410 Firmware, Netgear Ex6420 Firmware, Netgear Ex7300v2 Firmware and 23 more.

How do I fix CVE-2021-45642?

No fix has been published for CVE-2021-45642 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-45642 being exploited?

There is no known exploitation of CVE-2021-45642 in the wild and no public exploit code.

All Netgear D7800 Firmware vulnerabilities

Sources

Also known as GHSA-6w4x-5fpc-6gg8.