{"cve":"CVE-2007-4011","nvd":{"published":"2007-07-26T00:30:00.000","modified":"2026-06-16T22:43:14.290","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://secunia.com/advisories/26161","http://www.cisco.com/en/US/products/products_security_advisory09186a008088ab28.shtml","http://www.securityfocus.com/bid/25043","http://www.securitytracker.com/id?1018444","http://www.vupen.com/english/advisories/2007/2636"],"products":["cisco:wireless_lan_controller_software"],"source":"nvd","synced_at":"2026-10-19T19:48:28.501292361+00:00"},"epss":{"cve":"CVE-2007-4011","score":0.0163,"percentile":0.76229,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}