{"api_version":"1","generated_at":"2026-05-12T11:06:18+00:00","cve":"CVE-2026-7256","urls":{"html":"https://cve.report/CVE-2026-7256","api":"https://cve.report/api/cve/CVE-2026-7256.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-7256","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-7256"},"summary":{"title":"CVE-2026-7256","description":"** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.","state":"PUBLISHED","assigner":"Zyxel","published_at":"2026-05-12 04:16:29","updated_at":"2026-05-12 04:16:29"},"problem_types":["CWE-78","CWE-78 CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')"],"metrics":[{"version":"3.1","source":"security@zyxel.com.tw","type":"Primary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://www.zyxel.com/global/en/support/end-of-life","name":"https://www.zyxel.com/global/en/support/end-of-life","refsource":"security@zyxel.com.tw","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-7256","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-7256","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Zyxel","product":"WRE6505 v2 firmware","version":"affected V1.00(ABDV.3)C0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"WRE6505 v2 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"V1.00(ABDV.3)C0"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request."}],"value":"** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T03:25:32.999Z","orgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","shortName":"Zyxel"},"references":[{"url":"https://www.zyxel.com/global/en/support/end-of-life"}],"source":{"discovery":"UNKNOWN"},"tags":["unsupported-when-assigned"],"x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","assignerShortName":"Zyxel","cveId":"CVE-2026-7256","datePublished":"2026-05-12T03:25:32.999Z","dateReserved":"2026-04-28T02:06:55.400Z","dateUpdated":"2026-05-12T03:25:32.999Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-12 04:16:29","lastModifiedDate":"2026-05-12 04:16:29","problem_types":["CWE-78","CWE-78 CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')"],"metrics":{"cvssMetricV31":[{"source":"security@zyxel.com.tw","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"7256","Ordinal":"1","Title":"CVE-2026-7256","CVE":"CVE-2026-7256","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"7256","Ordinal":"1","NoteData":"** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.","Type":"Description","Title":"CVE-2026-7256"}]}}}