{"id":"CVE-2026-2539","state":"PUBLISHED","title":"Micca KE700 Cleartext transmission of key fob ID","description":"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.","publishedAt":"2026-02-15T10:58:38.397Z","updatedAt":"2026-02-17T17:07:03.354Z","severity":{"score":5.7,"label":"Medium","version":"4.0","vector":"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","source":"ASRG"},"assigner":"ASRG","products":["Micca Auto Electronics Co., Ltd. Car Alarm System KE700"],"affected":[{"vendor":"Micca Auto Electronics Co., Ltd.","product":"Car Alarm System KE700","defaultStatus":"affected","versions":[{"version":"KE700","status":"affected"},{"version":"KE700+","status":"unknown"}],"modules":["RF Communication Module"],"platforms":["Hardware"]}],"references":["https://asrg.io/security-advisories/cve-2026-2539-micca-ke700-cleartext-transmission-of-key-fob-id/"],"weaknesses":["CWE-319"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2539.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2539","state":"PUBLISHED","datePublished":"2026-02-15T10:58:38.397Z","dateUpdated":"2026-02-17T17:07:03.354Z","assignerShortName":"ASRG","assignerOrgId":"c15abc07-96a9-4d11-a503-5d621bfe42ba","dateReserved":"2026-02-15T10:49:21.601Z"},"containers":{"cna":{"title":"Micca KE700 Cleartext transmission of key fob ID","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Micca Auto Electronics Co., Ltd.","product":"Car Alarm System KE700","defaultStatus":"affected","versions":[{"version":"KE700","status":"affected"},{"version":"KE700+","status":"unknown"}],"modules":["RF Communication Module"],"platforms":["Hardware"]}],"references":[{"url":"https://asrg.io/security-advisories/cve-2026-2539-micca-ke700-cleartext-transmission-of-key-fob-id/","tags":["third-party-advisory"]}],"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":{"shortName":"ASRG","orgId":"c15abc07-96a9-4d11-a503-5d621bfe42ba","dateUpdated":"2026-02-15T10:58:38.397Z"},"credits":[{"lang":"en","type":"finder","value":"Danilo Erazo"}],"impacts":[{"capecId":"CAPEC-37","descriptions":[{"lang":"en","value":"CAPEC-37: Retrieve Embedded Sensitive Data"}]}],"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"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-17T17:07:03.354Z"}}]}}}