CVE-2007-4011 Denial of service in n/a

High 7.1 Published Updated

Remote attackers can cause denial of service via crafted ARP requests on Cisco Wireless LAN Controllers, requiring firmware upgrades.

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-2007-4011?

CVE-2007-4011 is a high-severity denial of service vulnerability in Cisco Wireless Lan Controller Software, published on 26 Jul 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco 4100 and 4400, Airespace 4000, and Catalyst 6500 and 3750 Wireless LAN Controller (WLC) software before 3.2 20070727, 4.0 before 20070727, and 4.1 before 4.1.180.0 allows remote attackers to cause a denial of service (traffic amplification or ARP storm) via a crafted unicast ARP request that (1) has a destination MAC address unknown to the Layer-2 infrastructure, aka CSCsj69233; or (2) occurs during Layer-3 roaming across IP subnets, aka CSCsj70841.

Which versions are affected by CVE-2007-4011?

It affects 1 product.

Products include Cisco Wireless Lan Controller Software.

How do I fix CVE-2007-4011?

No fix has been published for CVE-2007-4011 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-2007-4011 being exploited?

There is no known exploitation of CVE-2007-4011 in the wild and no public exploit code.

All Cisco Wireless Lan Controller Software vulnerabilities

Sources

Also known as GHSA-34j4-qq2w-hcmw.

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