CVE-2001-1194
Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2001-1194- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1194- Updated
- 2026-11-02
EUVDEUVD-2001-1175 No score
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.
- Record
EUVD-2001-1175- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2xmv-96h9-88qv No score
Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via...
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.
- Record
GHSA-2xmv-96h9-88qv- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ZYXEL Prestige 681 SDSL Router - IP Fragment Reassembly | 2001-12-18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1194 is a medium vulnerability (CVSS 5.0) in Zyxel Prestige 681, published December 14, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.26%, the 88th percentile. No source names a fixed version.