{"id":"CVE-2026-109109","revision":"6dda6a79715847d090d2e2e85619c30f","records":[{"revision":"6dda6a79715847d090d2e2e85619c30f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109109","aliases":[],"title":"Wavlink WL-WN530BE1-A Settings Export CGI ExportAllSettings.cgi strcpy stack-based overflow","description":"A vulnerability was detected in Wavlink WL-WN530BE1-A 251117. This vulnerability affects the function strcpy of the file /cgi-bin/ExportAllSettings.cgi of the component Settings Export CGI. Performing a manipulation of the argument HTTP_COOKIE/X-Cmd results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.","state":0,"publishedAt":"2026-10-13T07:45:17.295+00:00","modifiedAt":"2026-10-14T13:39:21.755+00:00","affected":[{"ecosystem":"Vendor product","name":"WL-WN530BE1-A","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Wavlink\",\n                    \"product\": \"WL-WN530BE1-A\",\n                    \"versions\": [\n                        {\n                            \"version\": \"251117\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:wavlink:wl-wn530be1-a:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"Settings Export CGI\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P","score":10,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C","score":10,"severity":"CRITICAL"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C","score":10,"severity":"CRITICAL"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C","score":10,"severity":null}],"references":["https://vuldb.com/vuln/416860","https://vuldb.com/vuln/416860/cti","https://vuldb.com/cve/CVE-2026-109109","https://vuldb.com/submit/909191","https://gist.github.com/Rauzk/9ef4fe7574e5689386cc43139f4cf9e1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109109","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109109","identifiers":["CVE-2026-109109"]},"retained":false,"historicalAffected":[]}],"coverage":[]}