{"id":"CVE-2026-3661","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-3661","generatedAt":"2026-10-31T05:59:58.607Z","title":"This manipulation of the argument model causes command injection.","description":"A flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.","published":"2026-03-07T14:16:06.000Z","lastModified":"2026-06-17T10:43:56.000Z","status":"Analyzed","sourceIdentifier":"cna@vuldb.com","cvss":{"version":"4.0","score":2,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-74","CWE-77"],"affected":["wavlink/wl-nu516u1 firmware"],"epss":{"score":0.18148,"percentile":0.97199,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.10933,"percentile":0.9573},{"date":"2026-10-25","score":0.18148,"percentile":0.9718}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 18.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-25T00:00:00.000Z","detail":{"to":0.18148,"from":0.11586,"percentile":0.9718},"summary":"EPSS moved from 11.6% to 18.1% probability of exploitation in the next thirty days."}],"references":[{"url":"https://github.com/jinhao118/cve/blob/main/WAVLINK_1.md","tags":["Exploit","Third Party Advisory"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?ctiid.349550","tags":["Permissions Required","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?id.349550","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"},{"url":"https://vuldb.com/?submit.758227","tags":["Third Party Advisory","VDB Entry"],"source":"cna@vuldb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-3661","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}