CVE-2002-1071 Denial of service in n/a
Remote attackers can crash Telnet, FTP, and DHCP services on ZyXEL Prestige 642R routers by sending a TCP packet with SYN and ACK flags set.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-1071?
CVE-2002-1071 is a medium-severity denial of service vulnerability in n/a, published on 31 Aug 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.
Which versions are affected by CVE-2002-1071?
It affects 1 product.
Products include Zyxel Prestige.
How do I fix CVE-2002-1071?
No fix has been published for CVE-2002-1071 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-2002-1071 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-1071 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-932g-jw4h-6cmm.