CVE-2023-28769

Description

The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 73.35% Top 5%
Vendor Advisory zyxel.com
Affected: Zyxel DX5401-B0 firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-28769?
CVE-2023-28769 has been scored as a critical severity vulnerability.
How to fix CVE-2023-28769?
To fix CVE-2023-28769, 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-2023-28769 being actively exploited in the wild?
It is possible that CVE-2023-28769 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~73% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28769?
CVE-2023-28769 affects Zyxel DX5401-B0 firmware.
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