NETGEAR R7800 devices before 1.0.2.60 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 r7800 firmwarebefore 1.0.2.60

Other highest-scoring records for the same primary product.

• CVE-2021-45623Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.
  40Plan
• CVE-2020-11790NETGEAR R7800 devices before 1.0.2.68 are affected by remote code execution by unauthenticated attackers.
  40Plan
• CVE-2018-21213Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.
  35Monitor
• CVE-2018-21170Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.
  35Monitor
• CVE-2018-21158NETGEAR R7800 devices before 1.0.2.46 are affected by incorrect configuration of security settings.
  35Monitor
• CVE-2018-21100NETGEAR R7800 devices before 1.0.2.60 are affected by command injection by an authenticated user.
  32Monitor

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.