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CVE-2001-1194

MediumPublished

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...

Published: Mar 15, 2002
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Dec 18, 2001

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

3.3%

Low · next 30 days

Percentile: 87.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

ZYXEL Prestige 681 SDSL Router - IP Fragment ReassemblyExploit
Przemyslaw Frasunek · hardware · Dec 18, 2001

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