CVE-2005-4257: n/a vulnerability

CVE-2005-4257: Linksys WRT54GS and BEFW11S4 allows remote attackers to cause a denial of service (device crash) via an IP...

Linksys WRT54GS and BEFW11S4 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 the BID.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 17, 2024, 03:27 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old router denial-of-service report. Certain Linksys WRT54GS and BEFW11S4 devices may crash when receiving a malformed network packet. The public record does not show data theft, code execution, active exploitation, or a named fix. Exposure is most relevant for organizations still using or externally exposing the named legacy Linksys router models. The source bundle does not provide firmware versions, configurations, or CPEs. Treat as a legacy exposure cleanup item unless named devices are internet-facing or support critical connectivity. Business impact is availability loss, not confirmed compromise. Mitigation focus: Inventory for Linksys WRT54GS and BEFW11S4 devices.; Check Linksys or successor vendor guidance for firmware or replacement advice.; Avoid exposing legacy router management or services to the internet..

Prepared: Jun 29, 2026, 15:49 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 15, 2005, 11:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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