{"id":"CVE-2026-13538","state":"PUBLISHED","title":"Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection","description":"A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.","publishedAt":"2026-06-29T05:15:13.662Z","updatedAt":"2026-06-29T13:48:00.057Z","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-A"],"affected":[{"vendor":"Wavlink","product":"WL-NU516U1-A","versions":[{"version":"M16U1_V240425","status":"affected"}],"cpes":["cpe:2.3:a:wavlink:wl-nu516u1-a:*:*:*:*:*:*:*:*"],"modules":["POST Parameter Handler"]}],"references":["https://vuldb.com/vuln/374546","https://vuldb.com/vuln/374546/cti","https://vuldb.com/cve/CVE-2026-13538","https://vuldb.com/submit/834019","https://vuldb.com/submit/834021","https://vuldb.com/submit/834022","https://vuldb.com/submit/834023","https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injection","https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injection","https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.bin"],"weaknesses":["CWE-77","CWE-74"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13538.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13538","state":"PUBLISHED","datePublished":"2026-06-29T05:15:13.662Z","dateUpdated":"2026-06-29T13:48:00.057Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-06-28T10:01:35.649Z"},"containers":{"cna":{"title":"Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection","descriptions":[{"lang":"en","value":"A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. 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-A","versions":[{"version":"M16U1_V240425","status":"affected"}],"cpes":["cpe:2.3:a:wavlink:wl-nu516u1-a:*:*:*:*:*:*:*:*"],"modules":["POST Parameter Handler"]}],"references":[{"url":"https://vuldb.com/vuln/374546","name":"VDB-374546 | Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/374546/cti","name":"VDB-374546 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-13538","name":"CVE-2026-13538 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/834019","name":"Submit #834019 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/834021","name":"Submit #834021 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/834022","name":"Submit #834022 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/834023","name":"Submit #834023 | Wavlink WL-NU516U1-A M16U1_V240425 Command Injection (Duplicate)","tags":["third-party-advisory"]},{"url":"https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injection","tags":["related"]},{"url":"https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injection","tags":["exploit"]},{"url":"https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.bin","tags":["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-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":"2026-06-29T05:15:13.662Z"},"timeline":[{"time":"2026-06-28T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-06-28T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-06-28T12:06:40.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"HustBinary (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-29T13:47:32.393217Z","id":"CVE-2026-13538","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-29T13:48:00.057Z"}}]}}}