{"api_version":"1","generated_at":"2026-07-23T10:05:05+00:00","cve":"CVE-2026-6952","urls":{"html":"https://cve.report/CVE-2026-6952","api":"https://cve.report/api/cve/CVE-2026-6952.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-6952","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-6952"},"summary":{"title":"CVE-2026-6952","description":"A post-authentication command injection vulnerability in the \"LogServer\" field of the syslog component in Zyxel AX7501-B1 firmware versions through 5.17(ABPC.7.2)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","state":"PUBLISHED","assigner":"Zyxel","published_at":"2026-07-21 03:16:42","updated_at":"2026-07-23 05:16:38"},"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":"Secondary","score":"7.2","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.2","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-vulnerability-in-certain-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-07-21-2026","name":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-vulnerability-in-certain-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-07-21-2026","refsource":"security@zyxel.com.tw","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6952","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6952","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Zyxel","product":"AX7501-B1 firmware","version":"affected <= 5.17(ABPC.7.2)C0","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"6952","cve":"CVE-2026-6952","epss":"0.009500000","percentile":"0.573730000","score_date":"2026-07-21","updated_at":"2026-07-22 00:11:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-6952","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-22T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-23T03:56:26.499Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"AX7501-B1 firmware","vendor":"Zyxel","versions":[{"status":"affected","version":"<= 5.17(ABPC.7.2)C0"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A post-authentication command injection vulnerability in the \"LogServer\" field of the syslog component in Zyxel AX7501-B1 firmware versions through&nbsp;5.17(ABPC.7.2)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device."}],"value":"A post-authentication command injection vulnerability in the \"LogServer\" field of the syslog component in Zyxel AX7501-B1 firmware versions through 5.17(ABPC.7.2)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/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":"2026-07-21T02:00:01.471Z","orgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","shortName":"Zyxel"},"references":[{"tags":["vendor-advisory"],"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-vulnerability-in-certain-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-07-21-2026"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}}},"cveMetadata":{"assignerOrgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","assignerShortName":"Zyxel","cveId":"CVE-2026-6952","datePublished":"2026-07-21T02:00:01.471Z","dateReserved":"2026-04-24T08:08:46.958Z","dateUpdated":"2026-07-23T03:56:26.499Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-21 03:16:42","lastModifiedDate":"2026-07-23 05:16:38","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":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-22T00:00:00+00:00","id":"CVE-2026-6952","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"6952","Ordinal":"1","Title":"CVE-2026-6952","CVE":"CVE-2026-6952","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"6952","Ordinal":"1","NoteData":"A post-authentication command injection vulnerability in the \"LogServer\" field of the syslog component in Zyxel AX7501-B1 firmware versions through 5.17(ABPC.7.2)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.","Type":"Description","Title":"CVE-2026-6952"}]}}}