{"api_version":"1","generated_at":"2026-05-30T12:31:01+00:00","cve":"CVE-2026-9511","urls":{"html":"https://cve.report/CVE-2026-9511","api":"https://cve.report/api/cve/CVE-2026-9511.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-9511","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-9511"},"summary":{"title":"Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command injection","description":"A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.","state":"PUBLISHED","assigner":"VulDB","published_at":"2026-05-25 22:16:34","updated_at":"2026-05-28 16:16:31"},"problem_types":["CWE-77","CWE-78","CWE-78 OS Command Injection","CWE-77 Command Injection"],"metrics":[{"version":"4.0","source":"cna@vuldb.com","type":"Secondary","score":"2.1","severity":"LOW","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/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","data":{"version":"4.0","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","baseScore":2.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"DECLARED","score":"5.3","severity":"MEDIUM","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","data":{"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","version":"4.0"}},{"version":"3.1","source":"cna@vuldb.com","type":"Secondary","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","data":{"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:X/RC:R","version":"3.1"}},{"version":"3.0","source":"CNA","type":"DECLARED","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","data":{"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:X/RC:R","version":"3.0"}},{"version":"2.0","source":"cna@vuldb.com","type":"Secondary","score":"6.5","severity":"","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"}},{"version":"2.0","source":"CNA","type":"DECLARED","score":"6.5","severity":"","vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","data":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"}}],"references":[{"url":"https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.md","name":"https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.md","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/365511","name":"https://vuldb.com/vuln/365511","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/vuln/365511/cti","name":"https://vuldb.com/vuln/365511/cti","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.totolink.net/","name":"https://www.totolink.net/","refsource":"cna@vuldb.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vuldb.com/submit/813922","name":"https://vuldb.com/submit/813922","refsource":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-9511","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9511","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Totolink","product":"CA750-PoE","version":"affected 6.2c.510","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-05-25T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"source":"CNA","time":"2026-05-25T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"source":"CNA","time":"2026-05-25T17:14:01.000Z","lang":"en","value":"VulDB entry last update"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Buoy_yes (VulDB User)","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"9511","cve":"CVE-2026-9511","epss":"0.028410000","percentile":"0.864480000","score_date":"2026-05-29","updated_at":"2026-05-30 00:13:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-9511","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-05-28T14:46:32.386941Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-05-28T14:47:13.754Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://vuldb.com/submit/813922"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"cpes":["cpe:2.3:a:totolink:ca750-poe:*:*:*:*:*:*:*:*"],"modules":["Setting Handler"],"product":"CA750-PoE","vendor":"Totolink","versions":[{"status":"affected","version":"6.2c.510"}]}],"credits":[{"lang":"en","type":"reporter","value":"Buoy_yes (VulDB User)"}],"descriptions":[{"lang":"en","value":"A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used."}],"metrics":[{"cvssV4_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","version":"4.0"}},{"cvssV3_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:X/RC:R","version":"3.1"}},{"cvssV3_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:X/RC:R","version":"3.0"}},{"cvssV2_0":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"OS Command Injection","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-25T22:00:15.550Z","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB"},"references":[{"name":"VDB-365511 | Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command injection","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/365511"},{"name":"VDB-365511 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/365511/cti"},{"name":"Submit #813922 | TOTOLink CA750-PoE V6.2c.510 Command Injection","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/813922"},{"tags":["exploit"],"url":"https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.md"},{"tags":["product"],"url":"https://www.totolink.net/"}],"timeline":[{"lang":"en","time":"2026-05-25T00:00:00.000Z","value":"Advisory disclosed"},{"lang":"en","time":"2026-05-25T02:00:00.000Z","value":"VulDB entry created"},{"lang":"en","time":"2026-05-25T17:14:01.000Z","value":"VulDB entry last update"}],"title":"Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command injection"}},"cveMetadata":{"assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","assignerShortName":"VulDB","cveId":"CVE-2026-9511","datePublished":"2026-05-25T22:00:15.550Z","dateReserved":"2026-05-25T15:08:40.055Z","dateUpdated":"2026-05-28T14:47:13.754Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-25 22:16:34","lastModifiedDate":"2026-05-28 16:16:31","problem_types":["CWE-77","CWE-78","CWE-78 OS Command Injection","CWE-77 Command Injection"],"metrics":{"cvssMetricV40":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"4.0","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","baseScore":2.1,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":3.4}],"cvssMetricV2":[{"source":"cna@vuldb.com","type":"Secondary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"9511","Ordinal":"1","Title":"Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command ","CVE":"CVE-2026-9511","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"9511","Ordinal":"1","NoteData":"A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.","Type":"Description","Title":"Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command "}]}}}