Certain NETGEAR devices are affected by command injection by an authenticated user.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• netgear d7800 firmwarebefore 1.0.1.28
• netgear r6700 firmwarebefore 1.0.1.44
• netgear r6900 firmwarebefore 1.0.1.44
• netgear r7000 firmwarebefore 1.0.9.28
• netgear r7500 firmwarebefore 1.0.3.24
• netgear r7800 firmwarebefore 1.0.2.38
• netgear r9000 firmwarebefore 1.0.2.52
• netgear wndr4300 firmwarebefore 1.0.0.50
• netgear wndr4500 firmwarebefore 1.0.0.50

Other highest-scoring records for the same primary product.

• CVE-2021-45618Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
  40Plan
• CVE-2021-45608Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attac
  40Plan
• CVE-2021-45658Certain NETGEAR devices are affected by server-side injection.
  39Monitor
• CVE-2021-38529Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
  39Monitor
• CVE-2018-21153Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.
  39Monitor
• CVE-2018-21161Certain NETGEAR devices are affected by incorrect configuration of security settings.
  39Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const host = req.body.host;2exec("ping -c 1 " + host, onResult);

1const host = req.body.host;2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);3execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.