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    CVE-2008-1522

    ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), have (1) "user" as their default password for the "user" account and (2) "1234" as their default password for the "admin" account, which makes it easier for remote attackers to obtain access.

    Published:Mar 26, 2008
    Last Modified:Apr 23, 2026
    EPS:Mar 26, 2008
    EPSS Score:0.00585
    CVSS Score:7.5

    Affected Products

    Vendor
    Zyxel
    Product
    Prestige 660
    Vendor
    Zyxel
    Product
    Prestige 661
    Vendor
    Zyxel
    Product
    Zynos

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2008-1523 (CVSS 5) — ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3)…
    CVE-2008-1521 (CVSS 6.5) — ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow …
    CVE-2008-1529 (CVSS 5) — ZyXEL Prestige routers have a minimum password length for the admin account that is too small, which makes it …
    CVE-2008-1524 (CVSS 7.5) — The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through…
    CVE-2008-1527 (CVSS 7.5) — ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) throu…
    CVE-2008-1528 (CVSS 4) — ZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3)…
    CVE-2008-1525 (CVSS 5) — The default SNMP configuration on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(…

    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