CVE-2023-4397

State: Published
Severity: 4.4 Medium
Published: Nov 28, 2023
Updated: Aug 2, 2024
Reserved: Aug 17, 2023

Description

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.

Scores

CVSS	Score	Vector	Source
3.1	4.4 Medium	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H	Zyxel

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
ATP series firmwareZyxel	5.37Affected
USG FLEX series firmwareZyxel	5.37Affected
USG FLEX 50(W) series firmwareZyxel	5.37Affected
USG20(W)-VPN series firmwareZyxel	5.37Affected

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-apsvendor-advisory

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