CVE-2021-38527 Command injection in n/a

High 8.1 Published Updated

Unauthenticated attackers can execute arbitrary commands on various NETGEAR routers and mesh systems via command injection vulnerabilities.

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

What is CVE-2021-38527?

CVE-2021-38527 is a high-severity command injection vulnerability in Netgear R7800 Firmware, published on 11 Aug 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 command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.14, EX6100v2 before 1.0.1.98, EX6150v2 before 1.0.1.98, EX6250 before 1.0.0.132, EX6400 before 1.0.2.158, EX6400v2 before 1.0.0.132, EX6410 before 1.0.0.132, EX6420 before 1.0.0.132, EX7300 before 1.0.2.158, EX7300v2 before 1.0.0.132, EX7320 before 1.0.0.132, EX7700 before 1.0.0.216, EX8000 before 1.0.1.232, R7800 before 1.0.2.78, RBK12 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, RBK20 before 2.6.1.38, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.38, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RBS40V before 2.6.2.4, RBS50Y before 2.6.1.40, RBW30 before 2.6.2.2, and XR500 before 2.3.2.114.

Weakness: CWE-77

Which versions are affected by CVE-2021-38527?

It affects 34 products.

Products include Netgear Cbr40 Firmware, Netgear Ex6100 Firmware, Netgear Ex6150 Firmware, Netgear Ex6250 Firmware, Netgear Ex6400 Firmware, Netgear Ex6410 Firmware and 28 more.

How do I fix CVE-2021-38527?

No fix has been published for CVE-2021-38527 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-38527 being exploited?

There is no known exploitation of CVE-2021-38527 in the wild and no public exploit code.

All Netgear R7800 Firmware vulnerabilities

Sources

Also known as GHSA-qccx-cxhf-2m4w.

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