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CVE-2023-4397

nvd nist
Published: Nov 28, 2023Modified: Nov 21, 2024

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4.4
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Exploitability: 0.8 / Impact: 3.6
Source: security@zyxel.com.tw (Secondary)

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.

Affected (1)

Products: Zyxel: Zld
Zyxel
1 product
Zld
Configuration A
6 platform
Running on/withPlatform Versions
Zyxel
Atp100
All versions
Zyxel
Atp100w
All versions
Zyxel
Atp200
All versions
Zyxel
Atp500
All versions
Zyxel
Atp700
All versions
Zyxel
Atp800
All versions
Configuration B
7 platform
Running on/withPlatform Versions
Zyxel
Usg Flex 100
All versions
Zyxel
Usg Flex 100w
All versions
Zyxel
Usg Flex 200
All versions
Zyxel
Usg Flex 50
All versions
Zyxel
Usg Flex 500
All versions
Zyxel
Usg Flex 50w
All versions
Zyxel
Usg Flex 700
All versions
Configuration C
1 vulnerable · 2 platform
Vulnerable SoftwareAffected Versions
Zld
Version 5.37
Running on/withPlatform Versions
Zyxel
Usg 20w Vpn
All versions
Zyxel
Vpn50w
All versions

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

Source: security@zyxel.com.tw
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.