What is CVE-2022-30105?

CVE-2022-30105 is a critical-severity vulnerability in Belkin N300, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-18.

How severe is CVE-2022-30105?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Belkin N300

CVE-2022-30105

In Belkin N300 Firmware 1.00.08, the script located at /setting_hidden.asp, which is accessible before and after configuring the device, exhibits multiple remote command injection vulnerabilities. The following parameters in the [form name] form; [list vulnerable parameters], are not properly sanitized after being submitted to the web interface in a POST request. With specially crafted parameters, it is possible to inject a an OS command which will be executed with root privileges, as the web interface, and all processes on the device, run as root.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.028 (85.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Belkin N300
Belkin N300_firmware — versions 1.00.08
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-30105?: CVE-2022-30105 is a critical-severity vulnerability in Belkin N300, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-05-18.
How severe is CVE-2022-30105?: Critical severity. CVSS v3 base score is 9.8 out of 10.