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Vulnerability record · CVE-2005-4258 · published 15 December 2005

CVE-2005-4258: Cisco catalyst vulnerability

Cisco · Catalyst

Unspecified Cisco Catalyst Switches allow 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 the BID.

7.8 CVSS 2.0 High EPSS 2.1% · top 19.5%
7.8CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
71Affected product versions listed by NVD
4References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Unspecified Cisco Catalyst Switches allow 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 the BID.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

71 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2005-4258 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2005-4258), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.