CVE-2002-0438

Published: Jun 11, 2002Updated: Apr 16, 2026 Sources: CVE List NVD BDUNVD-CWE-Other

5.0MEDIUM

NVD MITRE

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Au:NAuthentication

None

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:PAvailability

Partial

Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

Zyxel Communications Corp.

commercial·TWaka zyxel

zywall10

Networking Infrastructure

Zyxel ZLD

Networking Infrastructure

and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

Is your org exposed to CVE-2002-0438?We can run the check for you — a free external exposure review, no install. Check my exposure

References

ftp://ftp.zyxel.com/public/zywall10/firmware/zywall10_V3.50%28WA.2%29C0_Standard.zip

ftp.zyxel.com

http://www.iss.net/security_center/static/8436.php

iss.net

http://www.securityfocus.com/bid/4272

securityfocus.com

and 2 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2002-0438 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows