CVE-2005-4257: High severity linksys befw11s4 v3 vulnerability

Published Dec 15, 2005
·
Updated

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.

Affected Software

8 affected components
LinkSys Befw11s4 V3
LinkSys BEFW11S4=1.4.3
LinkSys WRT54GS=4.50.6
LinkSys BEFW11S4=1.43.3
LinkSys WRT54GS=4.70.6
LinkSys BEFW11S4=1.4.2.7
LinkSys BEFW11S4=1.44
LinkSys Befw11s4 V4

Event History

Dec 15, 2005
CVE Published
via MITRE·11:00 AM
Data Sourced
via MITRE·11:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2005-4257?

CVE-2005-4257 is classified as a denial of service vulnerability that can cause a device crash.

2

How do I fix CVE-2005-4257?

To mitigate CVE-2005-4257, it is recommended to upgrade your firmware to the latest version provided by Linksys.

3

Which devices are affected by CVE-2005-4257?

CVE-2005-4257 affects Linksys WRT54GS and BEFW11S4 routers running specific versions of their firmware.

4

What impacts does CVE-2005-4257 have on my network?

Exploiting CVE-2005-4257 can lead to an interruption of service as the affected devices may crash.

5

Is CVE-2005-4257 easy to exploit?

CVE-2005-4257 can be exploited remotely by sending specially crafted IP packets, making it relatively easy for attackers.

Contact

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