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    Dashboard / CVE / CVE-2023-34140

    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:Jul 17, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 17, 2023
    EPSS Score:0.00099
    CVSS Score:6.5

    Affected Products

    Vendor
    Zyxel
    Product
    Nxc2500
    Vendor
    Zyxel
    Product
    Nxc2500 Firmware
    Vendor
    Zyxel
    Product
    Nxc5500
    Vendor
    Zyxel
    Product
    Nxc5500 Firmware
    Vendor
    Zyxel
    Product
    Usg 20w-vpn
    Vendor
    Zyxel
    Product
    Usg 20w-vpn Firmware
    Vendor
    Zyxel
    Product
    Usg 2200-vpn
    Vendor
    Zyxel
    Product
    Usg 2200-vpn Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 100
    Vendor
    Zyxel
    Product
    Usg Flex 100 Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 100w
    Vendor
    Zyxel
    Product
    Usg Flex 100w Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 200
    Vendor
    Zyxel
    Product
    Usg Flex 200 Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 50
    Vendor
    Zyxel
    Product
    Usg Flex 500
    Vendor
    Zyxel
    Product
    Usg Flex 500 Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 50 Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 50w
    Vendor
    Zyxel
    Product
    Usg Flex 50w Firmware
    Vendor
    Zyxel
    Product
    Usg Flex 700
    Vendor
    Zyxel
    Product
    Usg Flex 700 Firmware
    Vendor
    Zyxel
    Product
    Zywall Atp100
    Vendor
    Zyxel
    Product
    Zywall Atp100 Firmware
    Vendor
    Zyxel
    Product
    Zywall Atp100w
    Vendor
    Zyxel
    Product
    Zywall Atp100w Firmware
    Vendor
    Zyxel
    Product
    Zywall Atp200
    Vendor
    Zyxel
    Product
    Zywall Atp200 Firmware
    Vendor
    Zyxel
    Product
    Zywall Atp500
    Vendor
    Zyxel
    Product
    Zywall Atp500 Firmware
    Vendor
    Zyxel
    Product
    Zywall Atp700
    Vendor
    Zyxel
    Product
    Zywall Atp700 Firmware
    Vendor
    Zyxel
    Product
    Zywall Atp800
    Vendor
    Zyxel
    Product
    Zywall Atp800 Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn100
    Vendor
    Zyxel
    Product
    Zywall Vpn100 Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn2s
    Vendor
    Zyxel
    Product
    Zywall Vpn2s Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn300
    Vendor
    Zyxel
    Product
    Zywall Vpn300 Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn50
    Vendor
    Zyxel
    Product
    Zywall Vpn50 Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn 100
    Vendor
    Zyxel
    Product
    Zywall Vpn 100 Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn 300
    Vendor
    Zyxel
    Product
    Zywall Vpn 300 Firmware
    Vendor
    Zyxel
    Product
    Zywall Vpn 50
    Vendor
    Zyxel
    Product
    Zywall Vpn 50 Firmware

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High