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CVE-2001-1194
Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length…
Medium5.0EPSS 3.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Timeline
ID reserved
By mitre
Published
- 22 years later
· 22 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.3% · top 12% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 20011218 Re: Zyxel Prestige 681 and 1600 (possibly other?) remote DoS (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- prestige-dsl-packet-length-dos(7704) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20011214 Zyxel Prestige 681 and 1600 (possibly other?) remote DoS (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 3695 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2001-1194)Record last updated .