{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4736", "assignerOrgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "state": "PUBLISHED", "assignerShortName": "GovTech CSG", "dateReserved": "2026-03-24T03:10:55.386Z", "datePublished": "2026-03-24T03:11:16.951Z", "dateUpdated": "2026-03-24T03:11:16.951Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", "shortName": "GovTech CSG", "dateUpdated": "2026-03-24T03:11:16.951Z"}, "title": "Math Issue in No-Chicken/Echo-Mate", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-229", "description": "CWE-229 Improper Handling of Values", "type": "CWE"}]}], "affected": [{"vendor": "No-Chicken", "product": "Echo-Mate", "collectionURL": "https://github.com/No-Chicken/Echo-Mate", "modules": ["SDK/rv1106-sdk/sysdrv/source/kernel/include/net/netfilter"], "programFiles": ["nf_tables.h\u200e", "nft_byteorder.c\u200e", "nft_meta.c\u200e"], "versions": [{"status": "affected", "version": "0", "lessThan": "V250329", "versionType": "git"}], "defaultStatus": "affected"}], "descriptions": [{"lang": "en", "value": "Improper Handling of Values vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/include/net/netfilter modules). This vulnerability is associated with program files nf_tables.H\u200e, nft_byteorder.C\u200e, nft_meta.C\u200e.\n\nThis issue affects Echo-Mate: before V250329.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Improper Handling of Values vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/include/net/netfilter modules).<p> This vulnerability is associated with program files nf_tables.H\u200e, nft_byteorder.C\u200e, nft_meta.C\u200e.</p><p>This issue affects Echo-Mate: before V250329.</p>"}]}], "references": [{"url": "https://github.com/No-Chicken/Echo-Mate/pull/8", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NEGLIGIBLE", "Automatable": "NO", "Recovery": "USER", "valueDensity": "DIFFUSE", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.3, "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:N/R:U/V:D/RE:L/U:Amber"}}], "credits": [{"lang": "en", "value": "TITAN Team (titancaproject@gmail.com)", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Handling of Values vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/include/net/netfilter modules). This vulnerability is associated with program files nf_tables.H\u200e, nft_byteorder.C\u200e, nft_meta.C\u200e.\n\nThis issue affects Echo-Mate: before V250329."}], "id": "CVE-2026-4736", "lastModified": "2026-03-24T04:17:26.287", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NO", "Recovery": "USER", "Safety": "NEGLIGIBLE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "AMBER", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "DIFFUSE", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/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:N/AU:N/R:U/V:D/RE:L/U:Amber", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "LOW"}, "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}]}, "published": "2026-03-24T04:17:26.287", "references": [{"source": "cve_disclosure@tech.gov.sg", "url": "https://github.com/No-Chicken/Echo-Mate/pull/8"}], "sourceIdentifier": "cve_disclosure@tech.gov.sg", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-229"}], "source": "cve_disclosure@tech.gov.sg", "type": "Secondary"}]}

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