{"dataType":"CVE_RECORD","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2025-65855","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","dateUpdated":"2025-12-17T16:52:08.227Z","dateReserved":"2025-11-18T00:00:00.000Z","datePublished":"2025-12-17T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre","dateUpdated":"2025-12-17T16:11:34.623Z"},"descriptions":[{"lang":"en","value":"The OTA firmware update mechanism in Netun Solutions HelpFlash IoT (firmware v18_178_221102_ASCII_PRO_1R5_50) uses hard-coded WiFi credentials identical across all devices and does not authenticate update servers or validate firmware signatures. An attacker with brief physical access can activate OTA mode (8-second button press), create a malicious WiFi AP using the known credentials, and serve malicious firmware via unauthenticated HTTP to achieve arbitrary code execution on this safety-critical emergency signaling device."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://docs.espressif.com/projects/esp-idf/en/v4.3.2/"},{"url":"https://luismirandaacebedo.github.io/CVE-2025-65855/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-798","lang":"en","description":"CWE-798 Use of Hard-coded Credentials"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-494","lang":"en","description":"CWE-494 Download of Code Without Integrity Check"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-319","lang":"en","description":"CWE-319 Cleartext Transmission of Sensitive Information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.6,"attackVector":"PHYSICAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-12-17T16:48:47.767332Z","id":"CVE-2025-65855","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-17T16:52:08.227Z"}}]},"dataVersion":"5.2"}