{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-111710", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-16T14:31:23.090Z", "datePublished": "2026-10-16T17:40:00.612Z", "dateUpdated": "2026-10-19T14:03:41.974Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-16T17:40:00.612Z" }, "datePublic": "2026-10-16T00:00:00.000Z", "title": "Netcore NR256CN through 1.5.140116 Boa Web Server NULL Pointer Dereference DoS", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "NULL Pointer Dereference", "cweId": "CWE-476", "type": "CWE" } ] } ], "affected": [ { "vendor": "Netcore", "product": "NR256CN", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThanOrEqual": "1.5.140116", "status": "affected", "versionType": "custom" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" } } ], "references": [ { "url": "https://github.com/lukadqq/netcore-router-public-refs/blob/a44d562736b41c944223297e9144d2ad7fa2aff1/2026.10.15-netcore-nr256cn-basic-auth-null-deref.md", "tags": [ "third-party-advisory" ] }, { "name": "VulnCheck Advisory: Netcore NR256CN through 1.5.140116 Boa Web Server NULL Pointer Dereference DoS", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/netcore-nr256cn-through-1.5.140116-boa-web-server-null-pointer-dereference-dos" } ], "credits": [ { "lang": "en", "value": "Zhou Ao", "type": "finder" }, { "lang": "en", "value": "Yin Luxing", "type": "finder" }, { "lang": "en", "value": "Lu Fangzhou", "type": "finder" }, { "lang": "en", "value": "Liu Xin", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-19T14:03:14.705838Z", "id": "CVE-2026-111710", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T14:03:41.974Z" } } ] } }