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    CVE-2020-25014

    A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.

    Published:Nov 27, 2020
    Last Modified:Dec 12, 2024
    EPS:Nov 27, 2020
    EPSS Score:0.01998
    CVSS Score:9.8

    Affected Products

    Vendor
    Zyxel
    Product
    Access Points Firmware
    Vendor
    Zyxel
    Product
    Nwa110ax
    Vendor
    Zyxel
    Product
    Nwa1123-ac Hd
    Vendor
    Zyxel
    Product
    Nwa1123-ac Pro
    Vendor
    Zyxel
    Product
    Nwa1123-acv2
    Vendor
    Zyxel
    Product
    Nwa1302-ac
    Vendor
    Zyxel
    Product
    Nwa210ax
    Vendor
    Zyxel
    Product
    Nwa5120
    Vendor
    Zyxel
    Product
    Nwa5301-nj
    Vendor
    Zyxel
    Product
    Usg110
    Vendor
    Zyxel
    Product
    Usg1100
    Vendor
    Zyxel
    Product
    Usg1900
    Vendor
    Zyxel
    Product
    Usg20-vpn
    Vendor
    Zyxel
    Product
    Usg20w-vpn
    Vendor
    Zyxel
    Product
    Usg210
    Vendor
    Zyxel
    Product
    Usg2200-vpn
    Vendor
    Zyxel
    Product
    Usg310
    Vendor
    Zyxel
    Product
    Usg40
    Vendor
    Zyxel
    Product
    Usg40w
    Vendor
    Zyxel
    Product
    Usg60
    Vendor
    Zyxel
    Product
    Usg60w
    Vendor
    Zyxel
    Product
    Usg 110
    Vendor
    Zyxel
    Product
    Usg 1100
    Vendor
    Zyxel
    Product
    Usg 1900
    Vendor
    Zyxel
    Product
    Usg 20w
    Vendor
    Zyxel
    Product
    Usg 20w-vpn
    Vendor
    Zyxel
    Product
    Usg 2200-vpn
    Vendor
    Zyxel
    Product
    Usg 310
    Vendor
    Zyxel
    Product
    Usg 40
    Vendor
    Zyxel
    Product
    Usg 40w
    Vendor
    Zyxel
    Product
    Usg 60
    Vendor
    Zyxel
    Product
    Usg 60w
    Vendor
    Zyxel
    Product
    Usg Flex 100
    Vendor
    Zyxel
    Product
    Usg Flex 100w
    Vendor
    Zyxel
    Product
    Usg Flex 200
    Vendor
    Zyxel
    Product
    Usg Flex 500
    Vendor
    Zyxel
    Product
    Usg Flex 700
    Vendor
    Zyxel
    Product
    Vpn100
    Vendor
    Zyxel
    Product
    Vpn300
    Vendor
    Zyxel
    Product
    Vpn50
    Vendor
    Zyxel
    Product
    Wac5302d-s
    Vendor
    Zyxel
    Product
    Wac6100
    Vendor
    Zyxel
    Product
    Wac6303d-s
    Vendor
    Zyxel
    Product
    Wac6500
    Vendor
    Zyxel
    Product
    Wac6550
    Vendor
    Zyxel
    Product
    Wax510d
    Vendor
    Zyxel
    Product
    Wax610d
    Vendor
    Zyxel
    Product
    Wax650s
    Vendor
    Zyxel
    Product
    Zld
    Vendor
    Zyxel
    Product
    Zywall 110
    Vendor
    Zyxel
    Product
    Zywall 1100
    Vendor
    Zyxel
    Product
    Zywall 310

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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