CVE-2022-43390

Description

A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to execute some OS commands on a vulnerable device by sending a crafted HTTP request.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 1.53% Top 20%
Vendor Advisory zyxel.com
Affected: Zyxel NR7101 firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-buffer-overflow-vulnerabilities-of-cpe-fiber-onts-and-wifi-extenders vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-43390?
CVE-2022-43390 has been scored as a medium severity vulnerability.
How to fix CVE-2022-43390?
To fix CVE-2022-43390, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-43390 being actively exploited in the wild?
It is possible that CVE-2022-43390 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-43390?
CVE-2022-43390 affects Zyxel NR7101 firmware.
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