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Vulnerability Score 5.0 5.0
CVE Id CVE-2002-1071
Last Modified 05 Sep 2008 04:29:42
Published 04 Oct 2002 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



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.

Vulnerable Systems


BID - 5034

XF - zyxel-tcp-packet-dos(9372)

BUGTRAQ - 20020617 Re: ZyXEL 642R(-11) AJ.6 SYN-ACK, SYN-FIN DoS -- 643R testing

BUGTRAQ - 20020617 Follow: ZyXEL 642R-11 AJ.6 service DoS -- additional informations

BUGTRAQ - 20020617 ZyXEL 642R(-11) AJ.6 SYN-ACK, SYN-FIN DoS

Last Updated: 27 May 2016 10:37:11