What’s Vulnerable › Vulnerabilities

CVE-2002-1071

• 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: 2002-10-04 · updated 2026-06-16

Description

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.

Affected products

• Zyxel Prestige: 310, 642r

References

• http://online.securityfocus.com/archive/1/277242
• http://online.securityfocus.com/archive/1/277303
• http://online.securityfocus.com/archive/1/277307
• http://www.iss.net/security_center/static/9372.php
• http://www.securityfocus.com/bid/5034
• http://online.securityfocus.com/archive/1/277242
• http://online.securityfocus.com/archive/1/277303
• http://online.securityfocus.com/archive/1/277307
• http://www.iss.net/security_center/static/9372.php
• http://www.securityfocus.com/bid/5034

Get alerted when CVE-2002-1071 or the next vulnerability affects your stack