CVE-2022-43971

Name: CVE-2022-43971
Creator: NVD / NIST
Published: 2023-01-09T21:15:10.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2022-43971 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linksys	Wumc710 Firmware	< 1.0.02
Linksys	Wumc710 Firmware	1.0.02

References

https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory

Timeline

Published: Jan 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43971?

How severe is CVE-2022-43971?

CVE-2022-43971 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43971?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-43971?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST