CVE-2021-45549 Command injection in n/a

What is CVE-2021-45549?

CVE-2021-45549 is a high-severity command injection vulnerability in Netgear R6400 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 command injection by an authenticated user. This affects LAX20 before 1.1.6.28, MK62 before 1.1.6.122, MR60 before 1.1.6.122, MS60 before 1.1.6.122, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.116, R7000P before 1.3.3.140, R7850 before 1.0.5.68, R7900 before 1.0.4.38, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.68, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RS400 before 1.5.1.80, and XR1000 before 1.0.0.58.

Weakness: CWE-77

Which versions are affected by CVE-2021-45549?

It affects 27 products.

Products include Netgear Lax20 Firmware, Netgear Mk62 Firmware, Netgear Mr60 Firmware, Netgear Ms60 Firmware, Netgear R6400 Firmware, Netgear R6700 Firmware and 21 more.

How do I fix CVE-2021-45549?

No fix has been published for CVE-2021-45549 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-2021-45549 being exploited?

There is no known exploitation of CVE-2021-45549 in the wild and no public exploit code.

Other vulnerabilities in Netgear R6400 Firmware

• CVE-2022-27645 Auth bypass in R6700v3 High 8.8

All Netgear R6400 Firmware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m6m8-v67p-7g6q.