CVE Catalog

CVE-2005-4276

High
Published: Translated: NVD NIST

Summary

A vulnerability in the Westell Versalink 327W router allows a remote attacker to cause a denial of service (device crash) by sending an IP packet with the same source and destination IP addresses and ports, with the SYN flag set (known as a Land attack).

Risk Assessment

The attack can cause the router to completely crash, resulting in a loss of internet connectivity for all users on the local network.

Recommendation

It is recommended to update the router firmware to the latest version or apply firewall rules to block packets with identical source and destination addresses.

Related vulnerabilities

Original NVD description (English source)

Westell Versalink 327W allows remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from third party information.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS