CVE-2002-0438

NONECVSS 0.0

0.0

ZyXEL ZyWALL 10 before 3.50 allows remote attackers to cause a denial of service via an ARP packet with the firewall's IP address and an incorrect MAC address, which causes the firewall to disable the LAN interface.

CVSS v3: —
EG Score: —
EPSS: 80.3%
KEV: Not listed

Published

July 26, 2002

Last Modified

April 16, 2026

References (10)

cve@mitreftp://ftp.zyxel.com/public/zywall10/firmware/zywall10_V3.50%28WA.2%29C0_Standard.zip
cve@mitrehttp://archives.neohapsis.com/archives/vulnwatch/2002-q1/0067.html
cve@mitrehttp://www.iss.net/security_center/static/8436.php
cve@mitrehttp://www.securityfocus.com/archive/1/261411
cve@mitrehttp://www.securityfocus.com/bid/4272
af854a3a-2127-422b-91ae-364da2661108ftp://ftp.zyxel.com/public/zywall10/firmware/zywall10_V3.50%28WA.2%29C0_Standard.zip
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/vulnwatch/2002-q1/0067.html
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/8436.php
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/261411
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/4272

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-2002-0438?

CVE-2002-0438 is a none vulnerability published on July 26, 2002. ZyXEL ZyWALL 10 before 3.50 allows remote attackers to cause a denial of service via an ARP packet with the firewall's IP address and an incorrect MAC address, which causes the firewall to disable the LAN interface.

When was CVE-2002-0438 disclosed?

CVE-2002-0438 was first published in the National Vulnerability Database on July 26, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-0438 actively exploited?

CVE-2002-0438 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-0438?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-0438, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2002-0438

📅 Published

🔄 Last Modified

🔗 References (10)