RCE in Linksys Wumc710 Wireless-Ac Universal Media Connector

CVE-2022-43971

An arbitrary code exection vulnerability exists in Linksys WUMC710 Wireless-AC Universal Media Connector with firmware <= 1.0.02 (build3). The do_setNTP function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious GET or POST request to /setNTP.cgi to execute arbitrary commands on the underlying Linux operating system as root.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.017 (74.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-43971?
CVE-2022-43971 is a high-severity vulnerability in Linksys Wumc710 Wireless-Ac Universal Media Connector, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-01-09.
How severe is CVE-2022-43971?
High severity. CVSS v3 base score is 7.2 out of 10.