CVE-2005-4276

CVE-2005-4276 describes a denial-of-service vulnerability affecting the Westell Versalink 327W router. An unauthenticated remote attacker can crash the device by sending a specially crafted IP packet with identical source and destination IPs and ports, and the SYN flag set (a "LanD" attack). This vulnerability has a CVSS score of 7.8, indicating high severity due to its network-based attack vector, low attack complexity, and complete denial of service impact. While not listed on CISA's KEV catalog, an ExploitDB entry exists, and there is no evidence of active exploitation or significant community discussion.