What’s Vulnerable › Vulnerabilities

CVE-2001-1194

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2001-12-14 · updated 2026-06-16

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.

Affected products

• Zyxel Prestige 1600: all versions
• Zyxel Prestige 681: all versions

References

• http://archives.neohapsis.com/archives/bugtraq/2001-12/0140.html
• http://archives.neohapsis.com/archives/bugtraq/2001-12/0190.html
• http://www.securityfocus.com/bid/3695
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7704
• http://archives.neohapsis.com/archives/bugtraq/2001-12/0140.html
• http://archives.neohapsis.com/archives/bugtraq/2001-12/0190.html
• http://www.securityfocus.com/bid/3695
• https://exchange.xforce.ibmcloud.com/vulnerabilities/7704

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