{"id":"CVE-2026-120281","title":"WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow","summary":"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…","severity":"critical","cvss":10,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-121","CWE-119"],"vendor":"WAVLINK","product":"WN536AX6-A","affected":["WN536AX6-A V260507"],"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T00:30:18.106Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-120281","references":[{"url":"https://vuldb.com/vuln/429625","label":"VDB-429625 | WAVLINK WN536AX6-A OpenVPN protocol.csp strcpy stack-based overflow"},{"url":"https://vuldb.com/vuln/429625/cti","label":"VDB-429625 | CTI Indicators (IOB, IOC, IOA)"},{"url":"https://vuldb.com/cve/CVE-2026-120281","label":"CVE-2026-120281 | CVE Analysis and Report"},{"url":"https://vuldb.com/submit/919790","label":"Submit #919790 | Wavlink WN536AX6 V260507 CWE-121"},{"url":"https://github.com/F-yyjy/cve/blob/main/WN536AX6-A_openvpn_ip.md"}],"tags":["cve.org"],"epss":0.00584,"epssPercentile":0.48013,"ingestedAt":"2026-11-05T19:30:42.615Z","slug":"CVE-2026-120281","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `WN536AX6-A V260507`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}