CVE-2005-4257 Denial of service in n/a
Remote attackers can crash Linksys routers by sending malformed IP packets with identical source and destination addresses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2005-4257?
CVE-2005-4257 is a high-severity denial of service vulnerability in n/a, published on 15 Dec 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2005-4257?
It affects 4 products.
Products include Linksys Befw11s4, Linksys Befw11s4 V3, Linksys Befw11s4 V4, Linksys Wrt54gs.
How do I fix CVE-2005-4257?
No fix has been published for CVE-2005-4257 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2005-4257 being exploited?
There is no known exploitation of CVE-2005-4257 in the wild and no public exploit code.
Sources
Also known as GHSA-72fv-wfpw-6q2x.