{"id":"CVE-2026-3612","state":"PUBLISHED","title":"Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection","description":"A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.","publishedAt":"2026-03-06T00:32:10.901Z","updatedAt":"2026-03-09T15:31:47.417Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Wavlink WL-NU516U1"],"affected":[{"vendor":"Wavlink","product":"WL-NU516U1","versions":[{"version":"V240425","status":"affected"}],"cpes":["cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"],"modules":["OTA Online Upgrade"]}],"references":["https://vuldb.com/?id.349220","https://vuldb.com/?ctiid.349220","https://vuldb.com/?submit.754668","https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.md"],"weaknesses":["CWE-77","CWE-74"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/3xxx/CVE-2026-3612.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3612","state":"PUBLISHED","datePublished":"2026-03-06T00:32:10.901Z","dateUpdated":"2026-03-09T15:31:47.417Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-03-05T18:20:48.894Z"},"containers":{"cna":{"title":"Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection","descriptions":[{"lang":"en","value":"A vulnerability was determined in Wavlink WL-NU516U1 V240425. This affects the function sub_405AF4 of the file /cgi-bin/adm.cgi of the component OTA Online Upgrade. This manipulation of the argument firmware_url causes command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure."}],"affected":[{"vendor":"Wavlink","product":"WL-NU516U1","versions":[{"version":"V240425","status":"affected"}],"cpes":["cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"],"modules":["OTA Online Upgrade"]}],"references":[{"url":"https://vuldb.com/?id.349220","name":"VDB-349220 | Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.349220","name":"VDB-349220 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.754668","name":"Submit #754668 | Wavlink NU516U1 V240425 Command Injection","tags":["third-party-advisory"]},{"url":"https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/firmware_url.md","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.6,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":7.2,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.2,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":8.3,"vectorString":"AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-77","type":"CWE","lang":"en","description":"Command Injection"}]},{"descriptions":[{"cweId":"CWE-74","type":"CWE","lang":"en","description":"Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-03-06T00:32:10.901Z"},"timeline":[{"time":"2026-03-05T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-03-05T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-05T19:25:52.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"haimianbaobao (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-09T15:31:40.469496Z","id":"CVE-2026-3612","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-09T15:31:47.417Z"}}]}}}