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CVE-2002-1071 — MEDIUM severity vulnerability (ZyXEL Prestige 642R allows remote attackers to cause a denia)

ZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.

CVE IDCVE-2002-1071
SeverityMEDIUM
CVSS score5.0
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
CWENVD-CWE-Other
StatusModified
Published2002-10-04
Last modified2026-04-16
DescriptionZyXEL Prestige 642R allows remote attackers to cause a denial of service in the Telnet, FTP, and DHCP services (crash) via a TCP packet with both the SYN and ACK flags set.
SourceNIST National Vulnerability Database

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