{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-120281", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-11-01T07:44:16.932Z", "datePublished": "2026-11-02T00:30:18.106Z", "dateUpdated": "2026-11-02T00:30:18.106Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-11-02T00:30:18.106Z" }, "title": "WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-121", "lang": "en", "description": "Stack-based Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "WAVLINK", "product": "WN536AX6-A", "versions": [ { "version": "V260507", "status": "affected" } ], "cpes": [ "cpe:2.3:a:wavlink:wn536ax6-a:*:*:*:*:*:*:*:*" ], "modules": [ "OpenVPN Handler" ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability was found in WAVLINK WN536AX6-A V260507. This affects the function strcpy of the file /protocol.csp of the component OpenVPN Handler. The manipulation of the argument openvpn_ip results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 10, "vectorString": "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", "baseSeverity": "CRITICAL" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 10, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 10, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 10, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR" } } ], "timeline": [ { "time": "2026-11-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-11-01T01:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-11-01T14:27:42.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "yyjy (VulDB User)", "type": "reporter" }, { "lang": "en", "value": "VulDB CNA Team", "type": "coordinator" } ], "references": [ { "url": "https://vuldb.com/vuln/429625", "name": "VDB-429625 | WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/429625/cti", "name": "VDB-429625 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/cve/CVE-2026-120281", "name": "CVE-2026-120281 | CVE Analysis and Report", "tags": [ "third-party-advisory" ] }, { "url": "https://vuldb.com/submit/919790", "name": "Submit #919790 | Wavlink WN536AX6 V260507 CWE-121", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/F-yyjy/cve/blob/main/WN536AX6-A_openvpn_ip.md", "tags": [ "exploit" ] } ], "x_generator": [ "VulDB PVTS v202611" ] } } }