{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73464", "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "state": "PUBLISHED", "assignerShortName": "Arista", "dateReserved": "2026-08-12T16:45:03.511Z", "datePublished": "2026-09-16T08:32:54.304Z", "dateUpdated": "2026-09-16T14:10:16.369Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista", "dateUpdated": "2026-09-16T08:32:54.304Z"}, "datePublic": "2026-09-09T00:00:00.000Z", "title": "Security Advisory 0166", "descriptions": [{"lang": "en", "value": "On affected platforms running Arista EOS with gRPC Network Management Interface (gNMI) enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface (gNMI) access to execute arbitrary code with root privileges on the switch.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>On affected platforms running Arista EOS with gRPC Network Management Interface (gNMI) enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface (gNMI) access to execute arbitrary code with root privileges on the switch.</p>"}]}], "affected": [{"vendor": "Arista Networks", "product": "EOS", "platforms": ["710 Series", "720D Series", "720XP/722XPM Series", "750X Series", "7010TX Series", "7020R/R4 Series", "7130 Series (EOS)", "7170 Series", "7050X3/X4 Series", "7060X/X2/X4/X5/X6 Series", "7260X/X3 Series", "7280R/R2/R3/R4 Series", "7300X/X3 Series", "7320X Series", "7358X4 Series", "7368X4 Series", "7388X5 Series", "7500R/R2/R3 Series", "7800R3/R4 Series", "7700R4 Series", "AWE 5000 Series", "AWE 7200R Series", "CloudEOS", "cEOS-lab", "vEOS-lab", "CloudVision eXchange, virtual or physical appliance"], "versions": [{"version": "4.29.0F", "status": "affected", "versionType": "custom", "lessThan": "4.30.0F"}, {"version": "4.30.0F", "status": "affected", "versionType": "custom", "lessThan": "4.31.0F"}, {"version": "4.31.0F", "status": "affected", "versionType": "custom", "lessThan": "4.32.0F"}, {"version": "4.32.0F", "status": "affected", "versionType": "custom", "lessThan": "4.33.0F"}, {"version": "4.33.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.33.8M"}, {"version": "4.34.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.34.7M"}, {"version": "4.35.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.35.5M"}, {"version": "4.36.0F", "status": "affected", "versionType": "custom", "lessThanOrEqual": "4.36.0.1F"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-94", "description": "CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}], "impacts": [{"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE"}}], "configurations": [{"lang": "en", "value": "In order to be vulnerable to CVE-2026-73464, the following condition must be met:\n\ngNMI transport must be enabled:\n\n switch(config)#show management api gnmi\n Transport: default\n Enabled: yes\n Server: running on port 6030, in default VRF\n SSL profile: none\n QoS DSCP: none\n Connection limit: 100\n Authorization required: no\n Accounting requests: no\n Notification timestamp: last change time\n Listen addresses: ::\n Authentication username priority: x509-spiffe, metadata, x509-common-name\n Config-commands AAA accounting: enabled\n Config-commands AAA authorization: enabled\n\nIf a gNMI transport is not configured there is no exposure to this issue and the message will look something like:\n\n switch(config)#show management api gnmi\n Enabled: no transports enabled", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In order to be vulnerable to CVE-2026-73464, the following condition must be met:</p><p>gNMI transport must be enabled:</p><pre>\nswitch(config)#show management api gnmi\nTransport: default\nEnabled: yes\nServer: running on port 6030, in default VRF\nSSL profile: none\nQoS DSCP: none\nConnection limit: 100\nAuthorization required: no\nAccounting requests: no\nNotification timestamp: last change time\nListen addresses: ::\nAuthentication username priority: x509-spiffe, metadata, x509-common-name\nConfig-commands AAA accounting: enabled\nConfig-commands AAA authorization: enabled\n</pre><p>If a gNMI transport is not configured there is no exposure to this issue and the message will look something like:</p><pre>\nswitch(config)#show management api gnmi\nEnabled: no transports enabled\n</pre>"}]}], "workarounds": [{"lang": "en", "value": "Disable any gNMI transports:\n\n management api gnmi\n no transport grpc <name>\n\nDisabling all gNMI transports makes gNMI, gNOI, and gNSI services unavailable. If no RESTCONF or NETCONF transports are configured, the OpenConfig/Octa agent will also stop. CloudVision provisioning via TerminAttr is unaffected. All services resume when a gNMI transport is re-enabled.\n\nNote: This mitigation is not applicable to DMF-managed EOS switches. gNMI transports are enabled by default on these platforms and cannot be disabled.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Disable any gNMI transports:</p><pre>\nmanagement api gnmi\n no transport grpc &lt;name&gt;\n</pre><p>Disabling all gNMI transports makes gNMI, gNOI, and gNSI services unavailable. If no RESTCONF or NETCONF transports are configured, the OpenConfig/Octa agent will also stop. CloudVision provisioning via TerminAttr is unaffected. All services resume when a gNMI transport is re-enabled.</p><p>Note: This mitigation is not applicable to DMF-managed EOS switches. gNMI transports are enabled by default on these platforms and cannot be disabled.</p>"}]}], "solutions": [{"lang": "en", "value": "The following EOS releases contain the fix for this vulnerability:\n - 4.33.9M and later releases in the 4.33.x train\n - 4.34.7.1M and later releases in the 4.34.x train\n - 4.35.6M and later releases in the 4.35.x train\n - 4.36.1F and later releases in the 4.36.x train\n\nNo hotfix is available for this vulnerability.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The following EOS releases contain the fix for this vulnerability:</p><ul><li>4.33.9M and later releases in the 4.33.x train</li><li>4.34.7.1M and later releases in the 4.34.x train</li><li>4.35.6M and later releases in the 4.35.x train</li><li>4.36.1F and later releases in the 4.36.x train</li></ul><p>No hotfix is available for this vulnerability.</p>"}]}], "source": {"defects": ["BUG 1602598", "BUG 1966288"], "advisory": "Security Advisory 0166", "discovery": "INTERNAL"}, "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24722-security-advisory-0166", "name": "Arista Networks Security Advisory 0166", "tags": ["vendor-advisory"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-16T14:08:08.602976Z", "id": "CVE-2026-73464", "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": "2026-09-16T14:10:16.369Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["710 Series", "720D Series", "720XP/722XPM Series", "750X Series", "7010TX Series", "7020R/R4 Series", "7130 Series (EOS)", "7170 Series", "7050X3/X4 Series", "7060X/X2/X4/X5/X6 Series", "7260X/X3 Series", "7280R/R2/R3/R4 Series", "7300X/X3 Series", "7320X Series", "7358X4 Series", "7368X4 Series", "7388X5 Series", "7500R/R2/R3 Series", "7800R3/R4 Series", "7700R4 Series", "AWE 5000 Series", "AWE 7200R Series", "CloudEOS", "cEOS-lab", "vEOS-lab", "CloudVision eXchange, virtual or physical appliance"], "product": "EOS", "vendor": "Arista Networks", "versions": [{"lessThan": "4.30.0F", "status": "affected", "version": "4.29.0F", "versionType": "custom"}, {"lessThan": "4.31.0F", "status": "affected", "version": "4.30.0F", "versionType": "custom"}, {"lessThan": "4.32.0F", "status": "affected", "version": "4.31.0F", "versionType": "custom"}, {"lessThan": "4.33.0F", "status": "affected", "version": "4.32.0F", "versionType": "custom"}, {"lessThanOrEqual": "4.33.8M", "status": "affected", "version": "4.33.0F", "versionType": "custom"}, {"lessThanOrEqual": "4.34.7M", "status": "affected", "version": "4.34.0F", "versionType": "custom"}, {"lessThanOrEqual": "4.35.5M", "status": "affected", "version": "4.35.0F", "versionType": "custom"}, {"lessThanOrEqual": "4.36.0.1F", "status": "affected", "version": "4.36.0F", "versionType": "custom"}]}], "source": "psirt@arista.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On affected platforms running Arista EOS with gRPC Network Management Interface (gNMI) enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface (gNMI) access to execute arbitrary code with root privileges on the switch."}], "id": "CVE-2026-73464", "lastModified": "2026-09-16T09:17:05.463", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "psirt@arista.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "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": "LOW", "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:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "psirt@arista.com", "type": "Secondary"}]}, "published": "2026-09-16T09:17:05.463", "references": [{"source": "psirt@arista.com", "url": "https://www.arista.com/en/support/advisories-notices/security-advisory/24722-security-advisory-0166"}], "sourceIdentifier": "psirt@arista.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "psirt@arista.com", "type": "Secondary"}]}

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