PT-2023-2520 · Zyxel · Zyxel Dx5401-B0

CVE-2023-28769

·

Published

2023-04-27

·

Updated

2024-11-07

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions ZyXEL DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0
Description The issue is related to a buffer overflow vulnerability in the libclinkc.so library of the zhttpd web server. This vulnerability could allow a remote unauthenticated attacker to execute some OS commands or cause denial-of-service (DoS) conditions on a vulnerable device.
Recommendations For ZyXEL DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0, update to version V5.17(ABYO.1)C0 or later to resolve the issue. As a temporary workaround, consider restricting access to the zhttpd web server to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

BDU:2023-02319
CVE-2023-28769

Affected Products

Zyxel Dx5401-B0