{"schemaVersion":3,"id":"CVE-2026-109109","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2026-10-13T07:45:17.295Z","modified":"2026-10-14T13:39:21.755Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"critical","version":"4.0","versionLabel":"v4.0","source":"CVE.org","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","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":10,"severity":"critical","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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":10,"severity":"critical","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","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":10,"severity":"critical","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","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"CVE.org","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":9.3,"severity":"critical","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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":10,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00584,"percentile":0.46912,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-13T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00584,"percentile":0.46912}],"last30":[{"date":"2026-10-13T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00584,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00584,"percentile":0.46912}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"GITHUB_RAUZK_9EF4FE7574E5689386CC43139F4CF9E1","name":"9Ef4Fe7574E5689386Cc43139F4Cf9E1","source":"github","url":"https://gist.github.com/Rauzk/9ef4fe7574e5689386cc43139f4cf9e1","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. 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