CVE-2026-13538

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13538", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-06-28T10:01:35.649Z", "datePublished": "2026-06-29T05:15:13.662Z", "dateUpdated": "2026-06-29T13:48:00.057Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-06-29T05:15:13.662Z"}, "title": "Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-77", "lang": "en", "description": "Command Injection"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "Injection"}]}], "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"]}], "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."}], "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"}}], "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"}], "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"]}]}, "adp": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-29T13:48:00.057Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-13538", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-29T13:47:32.393217Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-29T13:47:55.999Z"}}], "cna": {"title": "Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_401D68 command injection", "credits": [{"lang": "en", "type": "reporter", "value": "HustBinary (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "baseSeverity": "MEDIUM", "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"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "baseSeverity": "MEDIUM", "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"}}, {"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"}}], "affected": [{"cpes": ["cpe:2.3:a:wavlink:wl-nu516u1-a:*:*:*:*:*:*:*:*"], "vendor": "Wavlink", "modules": ["POST Parameter Handler"], "product": "WL-NU516U1-A", "versions": [{"status": "affected", "version": "M16U1_V240425"}]}], "timeline": [{"lang": "en", "time": "2026-06-28T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-06-28T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-06-28T12:06:40.000Z", "value": "VulDB entry last update"}], "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"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-77", "description": "Command Injection"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-74", "description": "Injection"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-06-29T05:15:13.662Z"}}}, "cveMetadata": {"cveId": "CVE-2026-13538", "state": "PUBLISHED", "dateUpdated": "2026-06-29T13:48:00.057Z", "dateReserved": "2026-06-28T10:01:35.649Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-06-29T05:15:13.662Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:wavlink:wl-nu516u1-a:*:*:*:*:*:*:*:*"], "modules": ["POST Parameter Handler"], "product": "WL-NU516U1-A", "vendor": "Wavlink", "versions": [{"status": "affected", "version": "M16U1_V240425"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "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."}, {"lang": "es", "value": "Se determin\u00f3 una vulnerabilidad en Wavlink WL-NU516U1-A M16U1_V240425. El elemento afectado es la funci\u00f3n sub_401D68 del archivo /cgi-bin/wireless.cgi del componente Gestor de Par\u00e1metros POST. Esta manipulaci\u00f3n del argumento SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causa inyecci\u00f3n de comandos. La explotaci\u00f3n remota del ataque es posible. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado. El componente afectado deber\u00eda ser actualizado. Se contact\u00f3 al proveedor con antelaci\u00f3n, respondi\u00f3 de manera muy profesional y r\u00e1pidamente lanz\u00f3 una versi\u00f3n corregida del producto afectado."}], "id": "CVE-2026-13538", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13538", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-29T13:47:32.393217Z", "version": "2.0.3"}}]}, "published": "2026-06-29T06:16:29.040", "references": [{"source": "cna@vuldb.com", "url": "https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-06-22-5ccde97-mt7628-squashfs-sysupgrade.bin"}, {"source": "cna@vuldb.com", "url": "https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid2g2-command-injection"}, {"source": "cna@vuldb.com", "url": "https://github.com/Svigo-o/Wavlink_vul/tree/main/wavlink-wl-nu516u1-wireless-multissid-ssid5g2-command-injection"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-13538"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/834019"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/834021"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/834022"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/834023"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/374546"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/374546/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-77"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "M16U1_V240425"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 95.0, "source": "matching"}]}, "original": {"product": "WL-NU516U1-A", "source": "cna", "vendor": "Wavlink"}, "product": "wl-nu516u1", "vendor": "wavlink"}], "created": "2026-06-29T07:00:11.106555+00:00", "updated": "2026-06-29T19:30:02.298139+00:00", "vendors": ["wavlink", "wavlink$PRODUCT$wl-nu516u1"]}