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Vulnerability record · CVE-2004-1684 · published 13 September 2004

CVE-2004-1684: Zyxel prestige vulnerability

Zyxel · Prestige

Zyxel P681 running ZyNOS Vt020225a contains portions of memory in an ARP request, which allows remote attackers to obtain sensitive information by sniffing the network.

5.0 CVSS 2.0 Medium EPSS 1.4% · top 28.8%
5.0CVSS 2.0 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Zyxel P681 running ZyNOS Vt020225a contains portions of memory in an ARP request, which allows remote attackers to obtain sensitive information by sniffing the network.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=bugtraq&m=109510732611448&w=2
http://www.osvdb.org/9962
http://www.securityfocus.com/bid/11167 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17372
http://marc.info/?l=bugtraq&m=109510732611448&w=2
http://www.osvdb.org/9962
http://www.securityfocus.com/bid/11167 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17372

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2007-1586Zyxel zynos vulnerabilityZynOS 3.40 allows remote attackers to cause a denial of service (link restart) by sending a request for the name \M via the SMB Mail Slot Protocol.EPSS 3.1%7.5CVE-2008-1522Zyxel prestige 660 vulnerabilityZyXEL 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…EPSS 1.4%7.5CVE-2008-1524Zyxel prestige 660 vulnerabilityThe 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 defau…EPSS 1.3%7.5CVE-2008-1527Zyxel prestige 660 vulnerabilityZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(PE9) and 3.40(AGD.2) through 3.40(AHQ.3), support authentication …EPSS 1.4%7.5CVE-2001-1135Zyxel prestige vulnerabilityZyXEL Prestige 642R and 642R-I routers do not filter the routers' Telnet and FTP ports on the external WAN interface from inside access, allowing som…EPSS 1.5%6.5CVE-2008-1521Zyxel prestige 660 permissions and access controls vulnerabilityZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to gain priv…EPSS 1.1%5.0CVE-2008-1523Zyxel prestige 660 information exposure vulnerabilityZyXEL Prestige routers, including P-660, P-661, and P-662 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), allow remote authenticated users to o…EPSS 1.2%5.0CVE-2008-1525Zyxel prestige 660 vulnerabilityThe default SNMP configuration on ZyXEL Prestige routers, including P-660 and P-661 models with firmware 3.40(AGD.2) through 3.40(AHQ.3), has a Trust…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2004-1684), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.