{"id":"CVE-2011-4505","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-4505","generatedAt":"2026-10-27T19:50:58.352Z","title":"The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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…","description":"The UPnP IGD implementation on SpeedTouch 5x6 devices with firmware before 6.2.29 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.","published":"2011-11-22T11:55:06.000Z","lastModified":"2026-06-16T23:34:57.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-16"],"affected":["alcatel/speedtouch 5x6 router firmware","alcatel/speedtouch 5x6 router"],"epss":{"score":0.01309,"percentile":0.70417,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://toor.do/DEFCON-19-Garcia-UPnP-Mapping-WP.pdf","source":"cve@mitre.org"},{"url":"http://www.kb.cert.org/vuls/id/357851","tags":["US Government Resource"],"source":"cve@mitre.org"},{"url":"http://toor.do/DEFCON-19-Garcia-UPnP-Mapping-WP.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/357851","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-4505","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}