{"cve":"CVE-2011-4501","nvd":{"published":"2011-11-22T11:55:04.887","modified":"2026-06-16T23:34:56.820","status":"Modified","description":"The UPnP IGD implementation in Edimax EdiLinux on the Edimax BR-6104K with firmware before 3.25, Edimax 6114Wg, Canyon-Tech CN-WF512 with firmware 1.83, Canyon-Tech CN-WF514 with firmware 2.08, Sitecom WL-153 with firmware before 1.39, and Sweex LB000021 with firmware 3.15 allows remote attackers to establish arbitrary port mappings by sending a UPnP AddPortMapping action in a SOAP request to the WAN interface, related to an \"external forwarding\" vulnerability.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-16"],"references":["http://www.kb.cert.org/vuls/id/357851","http://www.upnp-hacks.org/devices.html","http://www.upnp-hacks.org/suspect.html","http://www.kb.cert.org/vuls/id/357851","http://www.upnp-hacks.org/devices.html"],"products":["canyon-tech:cn-wf512","canyon-tech:cn-wf512_router_firmware","canyon-tech:cn-wf514","canyon-tech:cn-wf514_router_firmware","edimax:6114wg","edimax:6114wg_router_firmware","edimax:br-6104k","edimax:br-6104k_router_firmware","sitecom:wl-153","sitecom:wl-153_router_firmware","sweex:lb000021","sweex:lb000021_router_firmware"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-4501","score":0.04201,"percentile":0.90959,"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."]}