{"id":"CVE-2006-2559","aliases":["EUVD-2006-2559","GHSA-jqwg-4qw8-r2cj"],"status":"published","title":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions...","description":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01704,"percentile":0.77435,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-05-24T01:00:00Z","modified":"2026-06-16T22:25:19Z","products":[{"vendor":"linksys","product":"wrt54g"},{"vendor":"linksys","product":"wrt54g_v5"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/26707","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://secunia.com/advisories/20161","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1016134","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityview.org/how-does-the-upnp-flaw-works.html","tags":["x_refsource_MISC","x_transferred","URL Repurposed"]},{"url":"http://www.vupen.com/english/advisories/2006/1909","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityview.org/dutch-student-finds-a-bug-in-upnp.html","tags":["x_refsource_MISC","x_transferred","URL Repurposed"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-2559"},{"url":"https://github.com/advisories/GHSA-jqwg-4qw8-r2cj"}],"sources":{"cve":[{"id":"CVE-2006-2559","description":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.","status":"published","published":"2006-05-24T01:00:00Z","modified":"2024-08-07T17:58:50.693Z","updated_at":"2026-11-02T14:33:49.265317Z"}],"euvd":[{"id":"EUVD-2006-2559","description":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.","status":"published","published":"2006-05-24T01:00:00Z","modified":"2024-08-07T17:58:50Z","updated_at":"2026-11-03T01:16:00.053483Z"}],"ghsa":[{"id":"GHSA-jqwg-4qw8-r2cj","title":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions...","description":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.","status":"published","published":"2022-05-01T07:00:25Z","modified":"2023-01-31T05:01:14Z","updated_at":"2026-11-02T14:48:01.47363Z"}],"nvd":[{"id":"CVE-2006-2559","description":"Linksys WRT54G Wireless-G Broadband Router allows remote attackers to bypass access restrictions and conduct unauthorized operations via a UPnP request with a modified InternalClient parameter, which is not validated, as demonstrated by using AddPortMapping to forward arbitrary traffic.","status":"published","published":"2006-05-24T01:02:00Z","modified":"2026-06-16T22:25:19.557Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:02.98271Z"}]}}