CVE-2001-1194 Denial of service in n/a
Remote attackers can crash Zyxel SDSL routers by sending malformed IP packets or oversized fragmented packets, causing a denial of service.
- 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-2001-1194?
CVE-2001-1194 is a medium-severity denial of service vulnerability in n/a, published on 15 Mar 2002. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.
Which versions are affected by CVE-2001-1194?
It affects 2 products.
Products include Zyxel Prestige 1600, Zyxel Prestige 681.
How do I fix CVE-2001-1194?
No fix has been published for CVE-2001-1194 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-2001-1194 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2001-1194 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-2xmv-96h9-88qv.