{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18368", "assignerOrgId": "001d69cf-3fc9-4203-93fb-9865b54e05b2", "state": "PUBLISHED", "assignerShortName": "tlt_net", "dateReserved": "2026-07-30T09:45:28.289Z", "datePublished": "2026-08-13T10:52:35.564Z", "dateUpdated": "2026-08-13T14:43:24.994Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "001d69cf-3fc9-4203-93fb-9865b54e05b2", "shortName": "tlt_net", "dateUpdated": "2026-08-13T10:52:35.564Z"}, "title": "Heap buffer overflow in Modbusgwd", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-122", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100: Overflow Buffers"}]}], "affected": [{"vendor": "Teltonika Networks", "product": "RUTOS", "packageName": "modbusgwd", "versions": [{"status": "affected", "version": "7.12.0", "lessThanOrEqual": "7.24.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd\n due to improper handling of Modbus TCP request data. A remote, \nunauthenticated attacker with access to the affected service could \ntrigger a heap-based buffer overflow, resulting in a denial of service.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd\n due to improper handling of Modbus TCP request data. A remote, \nunauthenticated attacker with access to the affected service could \ntrigger a heap-based buffer overflow, resulting in a denial of service."}]}], "references": [{"url": "https://www.teltonika-networks.com/support/security-centre?report=CVE-2026-18368"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Update to RUTOS 7.24.2 or later", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update to RUTOS 7.24.2 or later"}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-13T14:42:09.334610Z", "id": "CVE-2026-18368", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-13T14:43:24.994Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "modbusgwd", "product": "RUTOS", "vendor": "Teltonika Networks", "versions": [{"lessThanOrEqual": "7.24.1", "status": "affected", "version": "7.12.0", "versionType": "semver"}]}], "source": "001d69cf-3fc9-4203-93fb-9865b54e05b2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd\n due to improper handling of Modbus TCP request data. A remote, \nunauthenticated attacker with access to the affected service could \ntrigger a heap-based buffer overflow, resulting in a denial of service."}], "id": "CVE-2026-18368", "lastModified": "2026-08-13T15:19:34.837", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "baseSeverity": "MEDIUM", "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": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/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": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "001d69cf-3fc9-4203-93fb-9865b54e05b2", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18368", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-13T14:42:09.334610Z", "version": "2.0.3"}}]}, "published": "2026-08-13T11:17:38.497", "references": [{"source": "001d69cf-3fc9-4203-93fb-9865b54e05b2", "url": "https://www.teltonika-networks.com/support/security-centre?report=CVE-2026-18368"}], "sourceIdentifier": "001d69cf-3fc9-4203-93fb-9865b54e05b2", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "001d69cf-3fc9-4203-93fb-9865b54e05b2", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.12.0,7.24.1]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "RUTOS", "source": "cna", "vendor": "Teltonika Networks"}, "product": "rutos", "vendor": "teltonika-networks"}], "created": "2026-08-13T12:45:03.296927+00:00", "updated": "2026-08-13T13:00:04.973515+00:00", "vendors": ["teltonika-networks", "teltonika-networks$PRODUCT$rutos"]}