{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-9497", "assignerOrgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "state": "PUBLISHED", "assignerShortName": "Microchip", "dateReserved": "2025-08-26T17:59:09.578Z", "datePublished": "2026-03-28T10:58:29.620Z", "dateUpdated": "2026-04-01T13:55:03.527Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "dc3f6da9-85b5-4a73-84a2-2ec90b40fca5", "shortName": "Microchip", "dateUpdated": "2026-03-31T15:52:21.770Z" }, "title": "Hardcoded Upgrade Decryption Passwords", "datePublic": "2026-03-28T07:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-798", "description": "CWE-798: Use of Hard-coded Credentials", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-533", "descriptions": [ { "lang": "en", "value": "CAPEC-533 Malicious Manual Software Update" } ] } ], "affected": [ { "vendor": "Microchip", "product": "Time Provider 4100", "versions": [ { "status": "affected", "version": "0", "lessThan": "2.5.0", "versionType": "semver" } ], "defaultStatus": "unknown" } ], "descriptions": [ { "lang": "en", "value": "Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.This issue affects Time Provider 4100: before 2.5.0.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Use of Hard-coded Credentials vulnerability in Microchip Time Provider 4100 allows Malicious Manual Software Update.

This issue affects Time Provider 4100: before 2.5.0.

" } ] } ], "references": [ { "url": "https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-hardcoded-upgrade-decryption-passwords", "tags": [ "vendor-advisory" ] }, { "url": "https://www.gruppotim.it/en/footer/TIM-red-team.html", "tags": [ "technical-description" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "LOW", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:P" } } ], "configurations": [ { "lang": "en", "value": "User knowledge of the decryption passwords and upgrade package structure.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "User knowledge of the decryption passwords and upgrade package structure.
" } ] } ], "workarounds": [ { "lang": "en", "value": "Upgrades are only available on a separate management port which \nshould not be connected to an untrusted network. ACLs are available to \nfurther restrict access to only trusted addresses.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
\n
\n\n \n
\n \n
\n
\n
\n
\n\n

Upgrades are only available on a separate management port which \nshould not be connected to an untrusted network. ACLs are available to \nfurther restrict access to only trusted addresses.

\n\n
" } ] } ], "credits": [ { "lang": "en", "value": "Dario Emilio Bertani", "type": "finder" }, { "lang": "en", "value": "Raffaele Bova", "type": "finder" }, { "lang": "en", "value": "Andrea Sindoni", "type": "finder" }, { "lang": "en", "value": "Simone Bossi", "type": "finder" }, { "lang": "en", "value": "Antonio Carriero", "type": "finder" }, { "lang": "en", "value": "Marco Manieri", "type": "finder" }, { "lang": "en", "value": "Vito Pistillo", "type": "finder" }, { "lang": "en", "value": "Davide Renna", "type": "finder" }, { "lang": "en", "value": "Manuel Leone", "type": "finder" }, { "lang": "en", "value": "Massimiliano Brolli", "type": "finder" }, { "lang": "en", "value": "TIM Security Red Team Research (TIM S.p.A)", "type": "reporter" } ], "source": { "advisory": "PSIRT-104", "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-04-01T13:54:38.708217Z", "id": "CVE-2025-9497", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2026-04-01T13:55:03.527Z" } } ] } }