{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107441","assignerOrgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","state":"PUBLISHED","assignerShortName":"Zyxel","dateReserved":"2026-10-08T02:07:52.349Z","datePublished":"2026-11-03T01:41:52.029Z","dateUpdated":"2026-11-04T13:32:59.234Z"},"containers":{"cna":{"providerMetadata":{"orgId":"96e50032-ad0d-4058-a115-4d2c13821f9f","shortName":"Zyxel","dateUpdated":"2026-11-03T01:41:52.029Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-787","description":"CWE-787 Out-of-bounds write","type":"CWE"}]}],"affected":[{"vendor":"Zyxel","product":"GS1900-24E firmware","versions":[{"status":"affected","version":"<= 2.90(AAHK.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-8 firmware","versions":[{"status":"affected","version":"<= 2.90(AAHH.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-8HP firmware","versions":[{"status":"affected","version":"<= 2.90(AAHI.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-10HP firmware","versions":[{"status":"affected","version":"<= 2.90(AAZI.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-16 firmware","versions":[{"status":"affected","version":"<= 2.90(AAHJ.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-24 firmware","versions":[{"status":"affected","version":"<= 2.90(AAHL.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-24EP firmware","versions":[{"status":"affected","version":"<= 2.90(ABTO.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-HPv2 firmware","versions":[{"status":"affected","version":"<= 2.90(ABTP.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-48 firmware","versions":[{"status":"affected","version":"<= 2.90(AAHN.2)C0"}],"defaultStatus":"unaffected"},{"vendor":"Zyxel","product":"GS1900-48HPv2 firmware","versions":[{"status":"affected","version":"<= 2.90(ABTQ.2)C0"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker  to exploit the flaw and potentially execute OS commands via a crafted HTTP request.","supportingMedia":[{"type":"text/html","base64":false,"value":"An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker  to exploit the flaw and potentially execute OS commands via a crafted HTTP request."}]}],"references":[{"url":"https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-gs1900-series-switches-11-03-2026","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.8,"vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-04T04:56:28.422975Z","id":"CVE-2026-107441","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-04T13:32:59.234Z"}}]}}