{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2539","assignerOrgId":"c15abc07-96a9-4d11-a503-5d621bfe42ba","state":"PUBLISHED","assignerShortName":"ASRG","dateReserved":"2026-02-15T10:49:21.601Z","datePublished":"2026-02-15T10:58:38.397Z","dateUpdated":"2026-02-17T17:07:03.354Z"},"containers":{"cna":{"affected":[{"defaultStatus":"affected","modules":["RF Communication Module"],"platforms":["Hardware"],"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":"<p>The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters&nbsp;transmitted in cleartext, which is sensitive information required for authentication.</p>"}],"value":"The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters transmitted in cleartext, which is sensitive information required for authentication."}],"impacts":[{"capecId":"CAPEC-37","descriptions":[{"lang":"en","value":"CAPEC-37: Retrieve Embedded Sensitive Data"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NO","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":5.7,"baseSeverity":"MEDIUM","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"DIFFUSE","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:N/V:D/RE:H","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"HIGH"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-319","description":"CWE-319: Cleartext Transmission of Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"c15abc07-96a9-4d11-a503-5d621bfe42ba","shortName":"ASRG","dateUpdated":"2026-02-15T10:58:38.397Z"},"references":[{"tags":["third-party-advisory"],"url":"https://asrg.io/security-advisories/cve-2026-2539-micca-ke700-cleartext-transmission-of-key-fob-id/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<ul><li><b>Implement encryption</b>: The entire transmission frame must be encrypted using a standard, proven symmetric algorithm (e.g., AES-128).&nbsp;</li>\n<li><b>Authenticate the frame</b>: The encrypted payload should include a Message Authentication Code (MAC) to prevent tampering or spoofing.</li>\n</ul>"}],"value":"*  Implement encryption: The entire transmission frame must be encrypted using a standard, proven symmetric algorithm (e.g., AES-128). \n\n  *  Authenticate the frame: The encrypted payload should include a Message Authentication Code (MAC) to prevent tampering or spoofing."}],"source":{"discovery":"EXTERNAL"},"title":"Micca KE700 Cleartext transmission of key fob ID","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-17T16:42:19.132639Z","id":"CVE-2026-2539","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":"2026-02-17T17:07:03.354Z"}}]}}