CVE-2023-4397

MEDIUM

Zyxel ATP/FLEX/USG - Buffer Overflow

Title source: llm
STIX 2.1

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 v3 4.4
EPSS 0.0004
EPSS Percentile 12.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-120
Status published
Products (1)
zyxel/zld 5.37
Published Nov 28, 2023
Tracked Since Feb 18, 2026