CVE-2022-43389

Description

A buffer overflow vulnerability in the library of the web server in Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.

Category

8.6
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.66%
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-2022-43389?
CVE-2022-43389 has been scored as a high severity vulnerability.
How to fix CVE-2022-43389?
To fix CVE-2022-43389, 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-2022-43389 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-43389 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-43389?
CVE-2022-43389 affects Zyxel NR7101 firmware.
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