CVE-2023-4397

Medium

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.

SeverityMedium

CVSS4.4

Exploit probability—

Product

Zyxel Zld

PublishedNov 28, 2023

First seenNov 28, 2023

Weakness typeCWE-120CWE-120

How to fix

Vendor advisories

zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps

Affected products

Product	Affected versions	Fixed in
zyxel zld	5.37	—

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