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    CVE-2008-1524

    The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), has "public" as its default community for both (1) read and (2) write operations, which allows remote attackers to perform administrative actions via SNMP, as demonstrated by reading the Dynamic DNS service password or inserting an XSS sequence into the system.sysName.0 variable, which is displayed on the System Status page.

    Published:Mar 26, 2008
    Last Modified:Apr 23, 2026
    EPS:Mar 26, 2008
    EPSS Score:0.00567
    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-2008-1522 (CVSS 7.5) — ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), have (…
    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