{"id":"CVE-2026-18590","state":"PUBLISHED","title":"Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection","description":"A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.","publishedAt":"2026-08-03T06:45:10.041Z","updatedAt":"2026-08-03T15:37:14.370Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Wavlink WL-NU516U1"],"affected":[{"vendor":"Wavlink","product":"WL-NU516U1","versions":[{"version":"708c073-mt7628","status":"affected"}],"cpes":["cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"],"modules":["Admin Password Handler"]}],"references":["https://vuldb.com/vuln/385418","https://vuldb.com/vuln/385418/cti","https://vuldb.com/cve/CVE-2026-18590","https://vuldb.com/submit/850527","https://vuldb.com/submit/850560","https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md","https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin"],"weaknesses":["CWE-78","CWE-77"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/18xxx/CVE-2026-18590.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18590","state":"PUBLISHED","datePublished":"2026-08-03T06:45:10.041Z","dateUpdated":"2026-08-03T15:37:14.370Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-02T20:33:59.442Z"},"containers":{"cna":{"title":"Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection","descriptions":[{"lang":"en","value":"A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}],"affected":[{"vendor":"Wavlink","product":"WL-NU516U1","versions":[{"version":"708c073-mt7628","status":"affected"}],"cpes":["cpe:2.3:o:wavlink:wl-nu516u1_firmware:*:*:*:*:*:*:*:*"],"modules":["Admin Password Handler"]}],"references":[{"url":"https://vuldb.com/vuln/385418","name":"VDB-385418 | Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/385418/cti","name":"VDB-385418 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-18590","name":"CVE-2026-18590 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/850527","name":"Submit #850527 | WAVLINK NU516U1 2026-05-15 (build 708c073-mt7628) Command Injection","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/850560","name":"Submit #850560 | WAVLINK NU516U1 2026-05-15 (build 708c073-mt7628) Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md","tags":["broken-link"]},{"url":"https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin","tags":["broken-link","patch"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":6.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","type":"CWE","lang":"en","description":"OS Command Injection"}]},{"descriptions":[{"cweId":"CWE-77","type":"CWE","lang":"en","description":"Command Injection"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-03T06:45:10.041Z"},"timeline":[{"time":"2026-08-02T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-02T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-02T22:39:06.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"oduoke (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-03T13:47:31.761282Z","id":"CVE-2026-18590","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-03T15:37:14.370Z"}}]}}}