{"id":"CVE-2026-111710","revision":"f23fb13fa7794e03ad486d9fcd8a2461","records":[{"revision":"f23fb13fa7794e03ad486d9fcd8a2461","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111710","aliases":[],"title":"Netcore NR256CN through 1.5.140116 Boa Web Server NULL Pointer Dereference DoS","description":"Netcore NR256CN through 1.5.140116 contains a NULL pointer dereference vulnerability in the Boa web server's user_auth() function that allows unauthenticated attackers to crash the server via a malformed Authorization header. Attackers can send a Basic Authorization value lacking a colon, such as one decoding to a single character, to protected routes like /router/get_user_type.cgi to kill the main Boa process and deny management interface access.","state":0,"publishedAt":"2026-10-16T17:40:00.612+00:00","modifiedAt":"2026-10-19T14:03:41.974+00:00","affected":[{"ecosystem":"Vendor product","name":"NR256CN","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Netcore\",\n                    \"product\": \"NR256CN\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.5.140116\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/lukadqq/netcore-router-public-refs/blob/a44d562736b41c944223297e9144d2ad7fa2aff1/2026.10.15-netcore-nr256cn-basic-auth-null-deref.md","https://www.vulncheck.com/advisories/netcore-nr256cn-through-1.5.140116-boa-web-server-null-pointer-dereference-dos"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111710","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111710","identifiers":["CVE-2026-111710"]},"retained":false,"historicalAffected":[]}],"coverage":[]}