CVE-2006-1067: Linksys WRT54G v5

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

Linksys WRT54G routers version 5 (running VXWorks) allow remote attackers to cause a denial of service by sending a malformed DCC SEND string to an IRC channel, which causes an IRC connection reset, possibly related to the masquerading code for NAT environments, and as demonstrated via (1) a DCC SEND with a single long argument, or (2) a DCC SEND with IP, port, and filesize arguments with a 0 value.

Affected products

• Linksys WRT54G v5: any version

Published 2006-03-07. Last modified 2026-06-16.