{"cve":{"cve_id":"CVE-2005-4257","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01431,"epss_percentile":0.69579,"epss_as_of":"2026-06-23","description":"Linksys WRT54GS and BEFW11S4 allows remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LAND). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","published_at":"2005-12-15T11:00:00Z","last_modified_at":"2026-06-16T22:18:28.080000Z","cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["http://www.securityfocus.com/bid/15861"],"vuln_status":"Modified","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:03:09.340215Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"befw11s4","product_name":"befw11s4","version_start":"1.4.2.7","version_start_inclusive":true,"version_end":"1.4.2.7","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:linksys:befw11s4:1.4.2.7:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"befw11s4","product_name":"befw11s4","version_start":"1.4.3","version_start_inclusive":true,"version_end":"1.4.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:linksys:befw11s4:1.4.3:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"befw11s4","product_name":"befw11s4","version_start":"1.43.3","version_start_inclusive":true,"version_end":"1.43.3","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:linksys:befw11s4:1.43.3:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"befw11s4","product_name":"befw11s4","version_start":"1.44","version_start_inclusive":true,"version_end":"1.44","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:linksys:befw11s4:1.44:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"befw11s4-v3","product_name":"befw11s4_v3","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:h:linksys:befw11s4_v3:*:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"befw11s4-v4","product_name":"befw11s4_v4","version_start":null,"version_start_inclusive":null,"version_end":null,"version_end_inclusive":null,"cpe23_uri":"cpe:2.3:h:linksys:befw11s4_v4:*:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"wrt54gs","product_name":"wrt54gs","version_start":"4.50.6","version_start_inclusive":true,"version_end":"4.50.6","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:linksys:wrt54gs:4.50.6:*:*:*:*:*:*:*"},{"vendor_slug":"linksys","vendor_name":"linksys","product_slug":"wrt54gs","product_name":"wrt54gs","version_start":"4.70.6","version_start_inclusive":true,"version_end":"4.70.6","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:h:linksys:wrt54gs:4.70.6:*:*:*:*:*:*:*"}],"exploit_refs":[],"news":[],"references":[{"url":"http://www.securityfocus.com/bid/15861","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2005-12-15T11:00:00Z","label":"CVE published","source":null}]}