CVE-2018-3954

{"containers": {"cna": {"affected": [{"product": "ESeries E1200", "vendor": "Linksys", "versions": [{"status": "affected", "version": "Firmware Version 2.0.09"}]}, {"product": "ESeries E2500", "vendor": "Linksys", "versions": [{"status": "affected", "version": "Firmware Version 3.0.04"}]}], "datePublic": "2018-10-16T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Devices in the Linksys ESeries line of routers (Linksys E1200 Firmware Version 2.0.09 and Linksys E2500 Firmware Version 3.0.04) are susceptible to OS command injection vulnerabilities due to improper filtering of data passed to and retrieved from NVRAMData entered into the 'Router Name' input field through the web portal is submitted to apply.cgi as the value to the 'machine_name' POST parameter. When the 'preinit' binary receives the SIGHUP signal it enters a code path that calls a function named 'set_host_domain_name' from its libshared.so shared object."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"description": "OS Command Injection", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-04-19T18:06:53.000Z", "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0625"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "talos-cna@cisco.com", "DATE_PUBLIC": "2018-10-16T00:00:00", "ID": "CVE-2018-3954", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ESeries E1200", "version": {"version_data": [{"version_value": "Firmware Version 2.0.09"}]}}, {"product_name": "ESeries E2500", "version": {"version_data": [{"version_value": "Firmware Version 3.0.04"}]}}]}, "vendor_name": "Linksys"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Devices in the Linksys ESeries line of routers (Linksys E1200 Firmware Version 2.0.09 and Linksys E2500 Firmware Version 3.0.04) are susceptible to OS command injection vulnerabilities due to improper filtering of data passed to and retrieved from NVRAMData entered into the 'Router Name' input field through the web portal is submitted to apply.cgi as the value to the 'machine_name' POST parameter. When the 'preinit' binary receives the SIGHUP signal it enters a code path that calls a function named 'set_host_domain_name' from its libshared.so shared object."}]}, "impact": {"cvss": {"baseScore": 7.2, "baseSeverity": "High", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "OS Command Injection"}]}]}, "references": {"reference_data": [{"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0625", "refsource": "MISC", "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0625"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T04:57:24.699Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0625"}]}]}, "cveMetadata": {"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "assignerShortName": "talos", "cveId": "CVE-2018-3954", "datePublished": "2018-10-17T02:00:00.000Z", "dateReserved": "2018-01-02T00:00:00.000Z", "dateUpdated": "2024-09-17T03:27:46.392Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "ESeries E1200", "vendor": "Linksys", "versions": [{"status": "affected", "version": "Firmware Version 2.0.09"}]}, {"product": "ESeries E2500", "vendor": "Linksys", "versions": [{"status": "affected", "version": "Firmware Version 3.0.04"}]}], "source": "talos-cna@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linksys:e1200_firmware:2.0.09:*:*:*:*:*:*:*", "matchCriteriaId": "D814CD48-1D88-4F06-A235-BB9EA8EB8D07", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:linksys:e1200:-:*:*:*:*:*:*:*", "matchCriteriaId": "47605441-7B24-4FF5-9956-6836117130EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linksys:e2500_firmware:3.0.04:*:*:*:*:*:*:*", "matchCriteriaId": "4E7346C0-5E2E-4840-AA3C-F23527C81A51", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:linksys:e2500:-:*:*:*:*:*:*:*", "matchCriteriaId": "D37D6660-2A10-44A6-8CAF-F5BC5F6C476E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Devices in the Linksys ESeries line of routers (Linksys E1200 Firmware Version 2.0.09 and Linksys E2500 Firmware Version 3.0.04) are susceptible to OS command injection vulnerabilities due to improper filtering of data passed to and retrieved from NVRAMData entered into the 'Router Name' input field through the web portal is submitted to apply.cgi as the value to the 'machine_name' POST parameter. When the 'preinit' binary receives the SIGHUP signal it enters a code path that calls a function named 'set_host_domain_name' from its libshared.so shared object."}, {"lang": "es", "value": "Los dispositivos de la l\u00ednea de routers Linksys ESeries (Linksys E1200 con versi\u00f3n del firmware 2.0.09 y Linksys E2500 con versi\u00f3n del firmware 3.0.04) son susceptibles a vulnerabilidades de inyecci\u00f3n de comandos del sistema operativo debido al filtrado incorrecto de datos pasados y recuperados desde los datos NVRAM introducidos en el campo de entrada \"Router Name\" mediante el portal web y enviados a apply.cgi como el valor del par\u00e1metro POST \"machine_name\". Cuando el binario \"preinit\" recibe la se\u00f1al SIGHUP, introduce una ruta de c\u00f3digo que llama a una funci\u00f3n denominada \"set_host_domain_name\" desde su objeto compartido en libshared.so."}], "id": "CVE-2018-3954", "lastModified": "2026-06-17T01:58:06.427", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "talos-cna@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-10-17T02:29:01.500", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0625"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0625"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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