CVE-2026-107441

{"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": "2026-11-05T04:55:43.911Z"}, "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": "2026-11-03T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-107441"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-05T04:55:43.911Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-107441", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-11-04T04:56:28.422975Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-04T13:32:55.478Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "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"}], "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"]}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "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", "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.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds write"}]}], "providerMetadata": {"orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "shortName": "Zyxel", "dateUpdated": "2026-11-03T01:41:52.029Z"}}}, "cveMetadata": {"cveId": "CVE-2026-107441", "state": "PUBLISHED", "dateUpdated": "2026-11-05T04:55:43.911Z", "dateReserved": "2026-10-08T02:07:52.349Z", "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f", "datePublished": "2026-11-03T01:41:52.029Z", "assignerShortName": "Zyxel"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "GS1900-24E firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAHK.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-8 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAHH.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-8HP firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAHI.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-10HP firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAZI.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-16 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAHJ.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-24 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAHL.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-24EP firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(ABTO.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-HPv2 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(ABTP.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-48 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(AAHN.2)C0"}]}, {"defaultStatus": "unaffected", "product": "GS1900-48HPv2 firmware", "vendor": "Zyxel", "versions": [{"status": "affected", "version": "<= 2.90(ABTQ.2)C0"}]}], "source": "security@zyxel.com.tw"}], "cveTags": [], "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."}], "id": "CVE-2026-107441", "lastModified": "2026-11-05T05:18:18.850", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@zyxel.com.tw", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-107441", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-03T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-11-03T02:16:52.617", "references": [{"source": "security@zyxel.com.tw", "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"}], "sourceIdentifier": "security@zyxel.com.tw", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "security@zyxel.com.tw", "type": "Secondary"}]}

{}

{"created": "2026-11-03T03:30:14.289235+00:00", "title": "Out-of-Bounds Write in Zyxel GS1900 Series CGI Enables Remote Command Execution", "updated": "2026-11-03T03:30:14.289244+00:00", "vendors": []}