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    Dashboard / CVE / CVE-2025-0890

    CVE-2025-0890

    **UNSUPPORTED WHEN ASSIGNED** Insecure default credentials for the Telnet function in the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an attacker to log in to the management interface if the administrators have the option to change the default credentials but fail to do so.

    Published:Feb 4, 2025
    Last Modified:Dec 15, 2025
    EPS:Feb 4, 2025
    EPSS Score:0.01045
    CVSS Score:9.8

    Affected Products

    Vendor
    Zyxel
    Product
    Sbg3300-n000
    Vendor
    Zyxel
    Product
    Sbg3300-n000 Firmware
    Vendor
    Zyxel
    Product
    Sbg3300-nb00
    Vendor
    Zyxel
    Product
    Sbg3300-nb00 Firmware
    Vendor
    Zyxel
    Product
    Sbg3500-n000
    Vendor
    Zyxel
    Product
    Sbg3500-n000 Firmware
    Vendor
    Zyxel
    Product
    Sbg3500-nb00
    Vendor
    Zyxel
    Product
    Sbg3500-nb00 Firmware
    Vendor
    Zyxel
    Product
    Vmg1312-b10a
    Vendor
    Zyxel
    Product
    Vmg1312-b10a Firmware
    Vendor
    Zyxel
    Product
    Vmg1312-b10b
    Vendor
    Zyxel
    Product
    Vmg1312-b10b Firmware
    Vendor
    Zyxel
    Product
    Vmg1312-b10e
    Vendor
    Zyxel
    Product
    Vmg1312-b10e Firmware
    Vendor
    Zyxel
    Product
    Vmg3312-b10a
    Vendor
    Zyxel
    Product
    Vmg3312-b10a Firmware
    Vendor
    Zyxel
    Product
    Vmg3313-b10a
    Vendor
    Zyxel
    Product
    Vmg3313-b10a Firmware
    Vendor
    Zyxel
    Product
    Vmg3926-b10b
    Vendor
    Zyxel
    Product
    Vmg3926-b10b Firmware
    Vendor
    Zyxel
    Product
    Vmg4325-b10a
    Vendor
    Zyxel
    Product
    Vmg4325-b10a Firmware
    Vendor
    Zyxel
    Product
    Vmg4380-b10a
    Vendor
    Zyxel
    Product
    Vmg4380-b10a Firmware
    Vendor
    Zyxel
    Product
    Vmg8324-b10a
    Vendor
    Zyxel
    Product
    Vmg8324-b10a Firmware
    Vendor
    Zyxel
    Product
    Vmg8924-b10a
    Vendor
    Zyxel
    Product
    Vmg8924-b10a Firmware

    Exploits

    https://github.com/Danyw24/zyxel-p870hn-hardware-hacking

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-102 Session Sidejacking
    CAPEC-114 Authentication Abuse
    CAPEC-115 Authentication Bypass
    CAPEC-151 Identity Spoofing
    CAPEC-194 Fake the Source of Data
    CAPEC-22 Exploiting Trust in Client
    CAPEC-474 Signature Spoofing by Key Theft
    CAPEC-50 Password Recovery Exploitation
    CAPEC-509 Kerberoasting
    CAPEC-551 Modify Existing Service
    CAPEC-555 Remote Services with Stolen Credentials
    CAPEC-560 Use of Known Domain Credentials
    CAPEC-561 Windows Admin Shares with Stolen Credentials
    CAPEC-57 Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
    CAPEC-593 Session Hijacking
    CAPEC-600 Credential Stuffing
    CAPEC-633 Token Impersonation
    CAPEC-644 Use of Captured Hashes (Pass The Hash)
    CAPEC-645 Use of Captured Tickets (Pass The Ticket)
    CAPEC-650 Upload a Web Shell to a Web Server
    CAPEC-652 Use of Known Kerberos Credentials
    CAPEC-653 Use of Known Operating System Credentials
    CAPEC-94 Adversary in the Middle (AiTM)

    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