CVE-2023-27989

Description

A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.38%
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-buffer-overflow-vulnerability-in-4g-lte-and-5g-nr-outdoor-routers patch vendor advisory third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-27989?
CVE-2023-27989 has been scored as a medium severity vulnerability.
How to fix CVE-2023-27989?
To fix CVE-2023-27989, 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-2023-27989 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27989 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27989?
CVE-2023-27989 affects Zyxel NR7101 firmware.
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