CVE-2023-4397

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.

Score

CVSS 3.1 4.4 Medium

Status

Modified - security@zyxel.com.tw

Published

2023-11-28

Last modified

2024-08-02

Weaknesses

CWE-120

Affected products

• Atp Series Firmware (Zyxel)
• Usg20w-vpn Series Firmware (Zyxel)
• Usg Flex 50w Series Firmware (Zyxel)
• Usg Flex Series Firmware (Zyxel)
• Zld (Zyxel)

References

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-fir…