CVE-2023-34140 Information

Description

A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.36 Patch 2 USG FLEX series firmware versions 4.50 through 5.36 Patch 2 USG FLEX 50(W) series firmware versions 4.16 through 5.36 Patch 2 USG20(W)-VPN series firmware versions 4.16 through 5.36 Patch 2 VPN series firmware versions 4.30 through 5.36 Patch 2 NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3) and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4) could allow an unauthenticated LAN-based attacker to cause denial of service (DoS) conditions by sending a crafted request to the CAPWAP daemon.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5