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    CVE-2023-33011

    A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.

    Published:Jul 17, 2023
    Last Modified:Nov 21, 2024
    EPS:Jul 17, 2023
    EPSS Score:0.00116
    CVSS Score:8.8

    Affected Products

    Vendor
    Zyxel
    Product
    Atp100 Firmware
    Vendor
    Zyxel
    Product
    Usg20w-vpn 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\/w\/ Series 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
    Usg Flex Series Firmware
    Vendor
    Zyxel
    Product
    Vpn Series 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 Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

    Related CVEs

    CVE-2024-11667 (CVSS 7.5) — A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.0…
    CVE-2024-42060 (CVSS 7.2) — A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through…
    CVE-2024-42059 (CVSS 7.2) — A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through…
    CVE-2024-42058 (CVSS 7.5) — A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG F…
    CVE-2024-42057 (CVSS 8.1) — A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 th…
    CVE-2024-7203 (CVSS 7.2) — A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.60 through…
    CVE-2023-6764 (CVSS 8.1) — A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware …
    CVE-2023-6399 (CVSS 5.7) — A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX s…
    CVE-2023-6398 (CVSS 7.2) — A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware v…
    CVE-2023-6397 (CVSS 6.5) — A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5…

    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