CVE-2023-34140

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

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

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published7/17/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

zyxel:nxc2500zyxel:nxc2500_firmwarezyxel:nxc5500zyxel:nxc5500_firmwarezyxel:usg_20w-vpnzyxel:usg_20w-vpn_firmwarezyxel:usg_2200-vpnzyxel:usg_2200-vpn_firmwarezyxel:usg_flex_100zyxel:usg_flex_100_firmwarezyxel:usg_flex_100wzyxel:usg_flex_100w_firmwarezyxel:usg_flex_200zyxel:usg_flex_200_firmwarezyxel:usg_flex_50zyxel:usg_flex_500zyxel:usg_flex_500_firmwarezyxel:usg_flex_50_firmwarezyxel:usg_flex_50wzyxel:usg_flex_50w_firmwarezyxel:usg_flex_700zyxel:usg_flex_700_firmwarezyxel:zywall_atp100zyxel:zywall_atp100_firmwarezyxel:zywall_atp100wzyxel:zywall_atp100w_firmwarezyxel:zywall_atp200zyxel:zywall_atp200_firmwarezyxel:zywall_atp500zyxel:zywall_atp500_firmwarezyxel:zywall_atp700zyxel:zywall_atp700_firmwarezyxel:zywall_atp800zyxel:zywall_atp800_firmwarezyxel:zywall_vpn100zyxel:zywall_vpn100_firmwarezyxel:zywall_vpn2szyxel:zywall_vpn2s_firmwarezyxel:zywall_vpn300zyxel:zywall_vpn300_firmwarezyxel:zywall_vpn50zyxel:zywall_vpn50_firmwarezyxel:zywall_vpn_100zyxel:zywall_vpn_100_firmwarezyxel:zywall_vpn_300zyxel:zywall_vpn_300_firmwarezyxel:zywall_vpn_50zyxel:zywall_vpn_50_firmware

Weaknesses (CWE)

CWE-120CWE-120

References

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

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.