Denial of Service in Watchguard Firebox VPN Service
CVE-2002-1046

Currently unrated

Key Information:

Vendor: Watchguard
Status: Soho Firewall; Firebox
Vendor: CVE Published:; 4 October 2002

What is CVE-2002-1046?

The Dynamic VPN Configuration Protocol (DVCP) service in Watchguard Firebox firmware version 5.x.x is susceptible to a denial of service vulnerability. Attackers can exploit this weakness by sending specially crafted packets containing tab characters to TCP port 4110, which may lead to a crash of the affected system. This flaw highlights the importance of ensuring that networks are protected against malformed input that could disrupt service availability.

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