CVE-2002-0438 Denial of service in n/a
Remote attackers can cause a denial of service on ZyXEL ZyWALL firewalls by sending malformed ARP packets, disabling the LAN interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-0438?
CVE-2002-0438 is a medium-severity denial of service vulnerability in n/a, published on 11 Jun 2002. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2002-0438?
It affects 1 product.
Products include Zyxel Zywall10.
How do I fix CVE-2002-0438?
No fix has been published for CVE-2002-0438 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2002-0438 being exploited?
There is no known exploitation of CVE-2002-0438 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-c9q2-8cmh-3jvf.