{"id":"CVE-2026-24789","state":"PUBLISHED","title":"ZLAN Information Technology ZLAN5143D Missing Authentication for Critical Function","description":"An unprotected API endpoint allows an attacker to remotely change the device password without providing authentication.","publishedAt":"2026-02-11T16:17:19.702Z","updatedAt":"2026-02-11T16:45:23.479Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"icscert"},"assigner":"icscert","products":["ZLAN Information Technology Co. ZLAN5143D"],"affected":[{"vendor":"ZLAN Information Technology Co.","product":"ZLAN5143D","defaultStatus":"unaffected","versions":[{"version":"v1.600","status":"affected"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-26-041-02","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-041-02.json","https://www.zlmcu.com/en/contact_us.htm"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/24xxx/CVE-2026-24789.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24789","state":"PUBLISHED","datePublished":"2026-02-11T16:17:19.702Z","dateUpdated":"2026-02-11T16:45:23.479Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-01-29T21:07:29.858Z"},"containers":{"cna":{"title":"ZLAN Information Technology ZLAN5143D Missing Authentication for Critical Function","descriptions":[{"lang":"en","value":"An unprotected API endpoint allows an attacker to remotely change the device password without providing authentication."}],"affected":[{"vendor":"ZLAN Information Technology Co.","product":"ZLAN5143D","defaultStatus":"unaffected","versions":[{"version":"v1.600","status":"affected"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-041-02"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-041-02.json"},{"url":"https://www.zlmcu.com/en/contact_us.htm"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","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:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","description":"CWE-306","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-02-11T16:24:41.818Z"},"credits":[{"lang":"en","type":"finder","value":"Shorabh Karir and Deepak Singh of KPMG reported these vulnerabilities to CISA"}],"source":{"advisory":"ICSA-26-041-02","discovery":"EXTERNAL"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"ZLAN Information Technology Co. did not respond to CISA's attempts at \ncoordination. Users of ZLAN5143D devices are encouraged to contact ZLAN \nand keep their systems up to date. \n<a target=\"_blank\" rel=\"nofollow\" href=\"https://www.zlmcu.com/en/contatct_us.htm\">https://www.zlmcu.com/en/contatct_us.htm</a>\n\n<a target=\"_blank\" rel=\"nofollow\" href=\"https://www.zlmcu.com/en/contatct_us.htm\"></a>\n\n<br>"}],"value":"ZLAN Information Technology Co. did not respond to CISA's attempts at \ncoordination. Users of ZLAN5143D devices are encouraged to contact ZLAN \nand keep their systems up to date. \n https://www.zlmcu.com/en/contatct_us.htm \n\n  https://www.zlmcu.com/en/contatct_us.htm"}],"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-11T16:44:50.414629Z","id":"CVE-2026-24789","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-11T16:45:23.479Z"}}]}}}