{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2541", "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "state": "PUBLISHED", "assignerShortName": "ASRG", "dateReserved": "2026-02-15T10:49:23.973Z", "datePublished": "2026-02-15T11:07:40.539Z", "dateUpdated": "2026-02-15T11:07:40.539Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Car Alarm System KE700", "vendor": "Micca Auto Electronics Co., Ltd.", "versions": [{"status": "affected", "version": "KE700"}, {"status": "unknown", "version": "KE700+"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Danilo Erazo"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The Micca KE700 system relies on a 6-bit portion of an identifier for authentication within rolling codes, providing only 64 possible combinations. This low entropy allows an attacker to perform a brute-force attack against one component of the rolling code. Successful exploitation simplify an attacker to predict the next valid rolling code, granting unauthorized access to the vehicle."}], "value": "The Micca KE700 system relies on a 6-bit portion of an identifier for authentication within rolling codes, providing only 64 possible combinations. This low entropy allows an attacker to perform a brute-force attack against one component of the rolling code. Successful exploitation simplify an attacker to predict the next valid rolling code, granting unauthorized access to the vehicle."}], "impacts": [{"capecId": "CAPEC-112", "descriptions": [{"lang": "en", "value": "CAPEC-112: Brute Force"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "baseScore": 6.4, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "DIFFUSE", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:H/V:D/RE:H", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-331", "description": "CWE-331: Insufficient Entropy", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba", "shortName": "ASRG", "dateUpdated": "2026-02-15T11:07:40.539Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://asrg.io/security-advisories/cve-2026-2541/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<ul><li><b>Increase entropy:</b> The random component of the code must be significantly larger. A 16-bit keyspace is insecure by modern standards. A minimum of 64 bits of entropy would make a brute-force attack computationally infeasible.</li>\n</ul>"}], "value": "* Increase entropy: The random component of the code must be significantly larger. A 16-bit keyspace is insecure by modern standards. A minimum of 64 bits of entropy would make a brute-force attack computationally infeasible."}], "source": {"discovery": "EXTERNAL"}, "title": "Micca KE700 Brute-force vulnerability due to low entropy", "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Micca KE700 system relies on a 6-bit portion of an identifier for authentication within rolling codes, providing only 64 possible combinations. This low entropy allows an attacker to perform a brute-force attack against one component of the rolling code. Successful exploitation simplify an attacker to predict the next valid rolling code, granting unauthorized access to the vehicle."}], "id": "CVE-2026-2541", "lastModified": "2026-02-15T11:15:55.223", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.4, "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": "HIGH", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "DIFFUSE", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/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:X/AU:X/R:X/V:D/RE:H/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "HIGH"}, "source": "cve@asrg.io", "type": "Secondary"}]}, "published": "2026-02-15T11:15:55.223", "references": [{"source": "cve@asrg.io", "url": "https://asrg.io/security-advisories/cve-2026-2541/"}], "sourceIdentifier": "cve@asrg.io", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-331"}], "source": "cve@asrg.io", "type": "Secondary"}]}

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