CVE-2025-27840

{"id": "CVE-2025-27840", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 0.3}, {"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.8, "exploitabilityScore": 0.5}]}, "published": "2025-03-08T20:15:36.027", "references": [{"url": "https://cheriot.org/auditing/backdoor/2025/03/09/no-esp32-style-backdoor.html", "tags": ["Third Party Advisory", "Technical Description"], "source": "[email protected]"}, {"url": "https://darkmentor.com/blog/esp32_non-backdoor/", "tags": ["Exploit", "Third Party Advisory", "Technical Description"], "source": "[email protected]"}, {"url": "https://flyingpenguin.com/?p=67838", "tags": ["Third Party Advisory", "Technical Description"], "source": "[email protected]"}, {"url": "https://github.com/TarlogicSecurity/Talks/blob/main/2025_RootedCon_BluetoothTools.pdf", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://github.com/em0gi/CVE-2025-27840", "tags": ["Product"], "source": "[email protected]"}, {"url": "https://github.com/esphome/esphome/discussions/8382", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://github.com/orgs/espruino/discussions/7699", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://news.ycombinator.com/item?id=43301369", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://news.ycombinator.com/item?id=43308740", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://reg.rootedcon.com/cfp/schedule/talk/5", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://www.bleepingcomputer.com/news/security/undocumented-backdoor-found-in-bluetooth-chip-used-by-a-billion-devices/", "tags": ["Exploit", "Press/Media Coverage"], "source": "[email protected]"}, {"url": "https://www.bleepingcomputer.com/news/security/undocumented-commands-found-in-bluetooth-chip-used-by-a-billion-devices/", "tags": ["Exploit", "Press/Media Coverage"], "source": "[email protected]"}, {"url": "https://www.espressif.com/en/news/Response_ESP32_Bluetooth", "tags": ["Press/Media Coverage"], "source": "[email protected]"}, {"url": "https://www.tarlogic.com/news/backdoor-esp32-chip-infect-ot-devices/", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://x.com/pascal_gujer/status/1898442439704158276", "tags": ["Third Party Advisory"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-912"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory)."}, {"lang": "es", "value": "Los chips Espressif ESP32 permiten 29 comandos HCI ocultos, como 0xFC02 (Escribir memoria)."}], "lastModified": "2025-03-12T14:58:54.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:espressif:esp32_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C81AEA93-C163-4E5C-A25D-D2903742C9EE"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:espressif:esp32:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D1024B06-380B-4116-B7F9-A21A03534B0C"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}