CVE-2005-4257

Name: CVE-2005-4257
Creator: NVD / NIST
Published: 2005-12-15T11:03:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.43%

Last modified Jun 16, 2026

CVE-2005-4257 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.43%

69.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Linksys	Befw11s4	1.4.2.7
Linksys	Befw11s4	1.4.3
Linksys	Befw11s4	1.43.3
Linksys	Befw11s4	1.44
Linksys	Befw11s4 V3	All versions
Linksys	Befw11s4 V4	All versions
Linksys	Wrt54gs	4.50.6
Linksys	Wrt54gs	4.70.6

References

http://www.securityfocus.com/bid/15861Exploit
http://www.securityfocus.com/bid/15861Exploit

Timeline

Published: Dec 15, 2005
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2005-4257?

How severe is CVE-2005-4257?

Severity scoring for CVE-2005-4257 is pending analysis. The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.

How do I fix CVE-2005-4257?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-4257?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST