{"cve":"CVE-2011-4500","nvd":{"published":"2011-11-22T11:55:04.793","modified":"2026-06-16T23:34:56.713","status":"Modified","description":"The UPnP IGD implementation on the Cisco Linksys WRT54GX with firmware 2.00.05, when UPnP is enabled, configures the SOAP server to listen on the WAN port, which allows remote attackers to administer the firewall via SOAP requests.","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.kb.cert.org/vuls/id/357851","http://www.upnp-hacks.org/devices.html"],"products":["cisco:linksys_wrt54gx_router_firmware","linksys:wrt54gx"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-4500","score":0.01309,"percentile":0.70626,"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."]}