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CVE Record

CVE-2008-1524: The SNMP service on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) thro...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

Some ZyXEL Prestige routers shipped with SNMP using the default community string "public" for both reading and writing. If SNMP is reachable, an attacker could access sensitive router data or change device-visible settings. This is most urgent for legacy ZyXEL P-660 and P-661 deployments that still expose SNMP or retain defaults. Exposure is likely limited to older ZyXEL Prestige routers in the named firmware range where SNMP remains enabled, reachable from untrusted networks, and configured with the default community. The source bundle does not provide complete CPE data or a full affected-product list. Prioritize remediation where legacy ZyXEL routers are internet-facing or support business connectivity. The issue is old but serious because it combines default remote management credentials with possible administrative changes and secret exposure. Mitigation focus: Inventory ZyXEL Prestige P-660 and P-661 routers and confirm firmware versions.; Disable SNMP if it is not operationally required.; Restrict SNMP access to trusted management networks only..

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0Timeline events
0ADP providers
1Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
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Weakness

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