Vulnerability Monitor

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CVE-2023-34140

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.

Published

2023-07-17T18:15:09.667

Last Modified

2024-11-21T08:06:38.010

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-120
  • Type: Primary
    CWE-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zyxel usg_20w-vpn_firmware < 5.37 Yes
Hardware zyxel usg_20w-vpn - No
Operating System zyxel usg_2200-vpn_firmware < 5.37 Yes
Hardware zyxel usg_2200-vpn - No
Operating System zyxel usg_flex_100_firmware < 5.37 Yes
Hardware zyxel usg_flex_100 - No
Operating System zyxel usg_flex_100w_firmware < 5.37 Yes
Hardware zyxel usg_flex_100w - No
Operating System zyxel usg_flex_200_firmware < 5.37 Yes
Hardware zyxel usg_flex_200 - No
Operating System zyxel usg_flex_50_firmware < 5.37 Yes
Hardware zyxel usg_flex_50 - No
Operating System zyxel usg_flex_500_firmware < 5.37 Yes
Hardware zyxel usg_flex_500 - No
Operating System zyxel usg_flex_50w_firmware < 5.37 Yes
Hardware zyxel usg_flex_50w - No
Operating System zyxel usg_flex_700_firmware < 5.37 Yes
Hardware zyxel usg_flex_700 - No
Operating System zyxel zywall_atp100_firmware < 5.37 Yes
Hardware zyxel zywall_atp100 - No
Operating System zyxel zywall_atp100w_firmware < 5.37 Yes
Hardware zyxel zywall_atp100w - No
Operating System zyxel zywall_atp200_firmware < 5.37 Yes
Hardware zyxel zywall_atp200 - No
Operating System zyxel zywall_atp500_firmware < 5.37 Yes
Hardware zyxel zywall_atp500 - No
Operating System zyxel zywall_atp700_firmware < 5.37 Yes
Hardware zyxel zywall_atp700 - No
Operating System zyxel zywall_atp800_firmware < 5.37 Yes
Hardware zyxel zywall_atp800 - No
Operating System zyxel zywall_vpn100_firmware < 5.37 Yes
Hardware zyxel zywall_vpn100 - No
Operating System zyxel zywall_vpn2s_firmware < 5.37 Yes
Hardware zyxel zywall_vpn2s - No
Operating System zyxel zywall_vpn300_firmware < 5.37 Yes
Hardware zyxel zywall_vpn300 - No
Operating System zyxel zywall_vpn50_firmware < 5.37 Yes
Hardware zyxel zywall_vpn50 - No
Operating System zyxel zywall_vpn_100_firmware < 5.37 Yes
Hardware zyxel zywall_vpn_100 - No
Operating System zyxel zywall_vpn_300_firmware < 5.37 Yes
Hardware zyxel zywall_vpn_300 - No
Operating System zyxel zywall_vpn_50_firmware < 5.37 Yes
Hardware zyxel zywall_vpn_50 - No
Operating System zyxel nxc2500_firmware ≤ 6.10\(aaig.3\) Yes
Hardware zyxel nxc2500 - No
Operating System zyxel nxc5500_firmware ≤ 6.10\(aaos.4\) Yes
Hardware zyxel nxc5500 - No
References