{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-95377", "assignerOrgId": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "state": "PUBLISHED", "assignerShortName": "Zenitel", "dateReserved": "2026-09-22T05:16:14.448Z", "datePublished": "2026-11-13T15:47:10.537Z", "dateUpdated": "2026-11-13T15:47:10.537Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "shortName": "Zenitel", "dateUpdated": "2026-11-13T15:47:10.537Z"}, "title": "OS command injection via DHCP option 66 in Zenitel EdgeAudioClient TFTP provisioning", "datePublic": "2026-11-13T15:47:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "affected": [{"vendor": "Zenitel", "product": "VSFF6", "platforms": ["Linux", "ARM", "32 bit"], "packageName": "EdgeAudioClient", "modules": ["TFTP provisioning"], "versions": [{"status": "affected", "version": "0", "lessThan": "9.6.3.0", "versionType": "custom"}, {"status": "affected", "version": "10.0.0.0", "lessThan": "10.1.3.0", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Zenitel", "product": "VSFF8", "platforms": ["Linux", "ARM", "64 bit"], "packageName": "EdgeAudioClient", "modules": ["TFTP provisioning"], "versions": [{"status": "affected", "version": "0", "lessThan": "9.6.3.0", "versionType": "custom"}, {"status": "affected", "version": "10.0.0.0", "lessThan": "10.1.3.0", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Zenitel", "product": "VSFF8MP", "platforms": ["Linux", "ARM", "64 bit"], "packageName": "EdgeAudioClient", "modules": ["TFTP provisioning"], "versions": [{"status": "affected", "version": "0", "lessThan": "9.6.3.0", "versionType": "custom"}, {"status": "affected", "version": "10.0.0.0", "lessThan": "10.1.3.0", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Zenitel", "product": "VSFF8MN", "platforms": ["Linux", "ARM", "64 bit"], "packageName": "EdgeAudioClient", "modules": ["TFTP provisioning"], "versions": [{"status": "affected", "version": "0", "lessThan": "9.6.3.0", "versionType": "custom"}, {"status": "affected", "version": "10.0.0.0", "lessThan": "10.1.3.0", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "Zenitel", "product": "VSFT", "platforms": ["Linux", "ARM", "32 bit"], "packageName": "EdgeAudioClient", "modules": ["TFTP provisioning"], "versions": [{"status": "affected", "version": "0", "lessThan": "9.6.3.0", "versionType": "custom"}, {"status": "affected", "version": "10.0.0.0", "lessThan": "10.1.3.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "OS command injection in the TFTP provisioning module of Zenitel EdgeAudioClient before 9.6.3.0, and 10.x before 10.1.3.0, on VSFF6, VSFF8, VSFF8MP, VSFF8MN, and VSFT devices allows unauthenticated adjacent attackers to execute arbitrary commands as root via a crafted DHCP option 66 (TFTP Server Name) value supplied by a rogue DHCP server on the same network segment. The DHCP-supplied value is passed to a shell without sanitization. Devices using DHCP, the default configuration, are affected on every boot and lease renewal.\n\n\n\nThe same injection is also reachable via the config_update_tftp_server and sw_update_tftp_server configuration fields by an attacker able to modify the device configuration.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>OS command injection in the TFTP provisioning module of Zenitel EdgeAudioClient before 9.6.3.0, and 10.x before 10.1.3.0, on VSFF6, VSFF8, VSFF8MP, VSFF8MN, and VSFT devices allows unauthenticated adjacent attackers to execute arbitrary commands as root via a crafted DHCP option 66 (TFTP Server Name) value supplied by a rogue DHCP server on the same network segment. The DHCP-supplied value is passed to a shell without sanitization. Devices using DHCP, the default configuration, are affected on every boot and lease renewal.</p><p>The same injection is also reachable via the <code>config_update_tftp_server</code> and <code>sw_update_tftp_server</code> configuration fields by an attacker able to modify the device configuration.</p>"}]}], "references": [{"url": "https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "Safety": "PRESENT", "Automatable": "YES", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.4, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y"}}], "solutions": [{"lang": "en", "value": "Affected devices should upgrade to version 9.6.3.0 (and newer) or 10.1.3.0 (and newer) depending on environment.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Affected devices should upgrade to version 9.6.3.0 (and newer) or 10.1.3.0 (and newer) depending on environment."}]}], "credits": [{"lang": "en", "value": "Reported by Kevin Schaller and Dominik Schneider from Amazon Security", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["TFTP provisioning"], "packageName": "EdgeAudioClient", "platforms": ["Linux", "ARM", "32 bit"], "product": "VSFF6", "vendor": "Zenitel", "versions": [{"lessThan": "9.6.3.0", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "10.1.3.0", "status": "affected", "version": "10.0.0.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["TFTP provisioning"], "packageName": "EdgeAudioClient", "platforms": ["Linux", "ARM", "64 bit"], "product": "VSFF8", "vendor": "Zenitel", "versions": [{"lessThan": "9.6.3.0", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "10.1.3.0", "status": "affected", "version": "10.0.0.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["TFTP provisioning"], "packageName": "EdgeAudioClient", "platforms": ["Linux", "ARM", "64 bit"], "product": "VSFF8MP", "vendor": "Zenitel", "versions": [{"lessThan": "9.6.3.0", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "10.1.3.0", "status": "affected", "version": "10.0.0.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["TFTP provisioning"], "packageName": "EdgeAudioClient", "platforms": ["Linux", "ARM", "64 bit"], "product": "VSFF8MN", "vendor": "Zenitel", "versions": [{"lessThan": "9.6.3.0", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "10.1.3.0", "status": "affected", "version": "10.0.0.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["TFTP provisioning"], "packageName": "EdgeAudioClient", "platforms": ["Linux", "ARM", "32 bit"], "product": "VSFT", "vendor": "Zenitel", "versions": [{"lessThan": "9.6.3.0", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "10.1.3.0", "status": "affected", "version": "10.0.0.0", "versionType": "custom"}]}], "source": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OS command injection in the TFTP provisioning module of Zenitel EdgeAudioClient before 9.6.3.0, and 10.x before 10.1.3.0, on VSFF6, VSFF8, VSFF8MP, VSFF8MN, and VSFT devices allows unauthenticated adjacent attackers to execute arbitrary commands as root via a crafted DHCP option 66 (TFTP Server Name) value supplied by a rogue DHCP server on the same network segment. The DHCP-supplied value is passed to a shell without sanitization. Devices using DHCP, the default configuration, are affected on every boot and lease renewal.\n\n\n\nThe same injection is also reachable via the config_update_tftp_server and sw_update_tftp_server configuration fields by an attacker able to modify the device configuration."}], "id": "CVE-2026-95377", "lastModified": "2026-11-13T16:19:37.337", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "PRESENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "type": "Secondary"}]}, "published": "2026-11-13T16:19:37.337", "references": [{"source": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "url": "https://www.zenitel.com/sites/default/files/2026-11/A100K12404-Zenitel-Security-Advisory.pdf"}], "sourceIdentifier": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "cf9c5165-6fe5-4ec0-b5f1-404f1df30a4e", "type": "Secondary"}]}

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