{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-2521", "assignerOrgId": "0dc86260-d7e3-4e81-ba06-3508e030ce8d", "state": "PUBLISHED", "assignerShortName": "Honeywell", "dateReserved": "2025-03-19T13:57:29.165Z", "datePublished": "2025-07-10T20:08:04.077Z", "dateUpdated": "2025-07-10T20:33:49.166Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "C300 PCNT02", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "C300 PCNT05", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "FIM4", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "FIM8", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "UOC", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "CN100", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "HCA", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "C300PM", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["Experion PKS"], "product": "C200E", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "520.2 TCU9", "status": "affected", "version": "520.1", "versionType": "semver"}, {"lessThanOrEqual": "530 TCU3", "status": "affected", "version": "530", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "platforms": ["OneWireless"], "product": "Wireless Device Manager", "vendor": "Honeywell", "versions": [{"lessThanOrEqual": "322.4", "status": "affected", "version": "322.1", "versionType": "semver"}, {"lessThanOrEqual": "330.3", "status": "affected", "version": "330.1", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Positive Technologies"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The Honeywell Experion PKS and OneWireless WDM contains a Memory Buffer vulnerability in the component Control Data Access (CDA). 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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Honeywell Experion PKS and OneWireless WDM contains a Memory Buffer vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to an Overread Buffers, which could result in improper index validation against buffer borders leading to remote code execution.\n\nHoneywell recommends updating to the most recent version of Honeywell Experion PKS:\n\n520.2 TCU9 HF1 and\u00a0530.1 TCU3 HF1 and OneWireless:\u00a0322.5 and 331.1.\n\n\nThe affected Experion PKS products are C300 PCNT02, C300 PCNT05, FIM4, FIM8, UOC, CN100, HCA, C300PM, and C200E. The Experion PKS versions affected are from 520.1 through 520.2 TCU9 and from 530 through 530 TCU3.The OneWireless WDM affected versions are 322.1 through 322.4 and 330.1 through 330.3."}, {"lang": "es", "value": "Honeywell Experion PKS y OneWireless WDM presentan una vulnerabilidad de b\u00fafer de memoria en el componente Control Data Access (CDA). Un atacante podr\u00eda explotar esta vulnerabilidad, provocando una sobrelectura de b\u00faferes, lo que podr\u00eda resultar en una validaci\u00f3n incorrecta del \u00edndice con respecto a los l\u00edmites del b\u00fafer, lo que podr\u00eda provocar la ejecuci\u00f3n remota de c\u00f3digo. Honeywell recomienda actualizar a la versi\u00f3n m\u00e1s reciente de Honeywell Experion PKS: 520.2 TCU9 HF1 y 530.1 TCU3 HF1, y OneWireless: 322.5 y 331.1. Los productos Experion PKS afectados son C300 PCNT02, C300 PCNT05, FIM4, FIM8, UOC, CN100, HCA, C300PM y C200E. Las versiones de Experion PKS afectadas son de 520.1 a 520.2 TCU9 y de 530 a 530 TCU3. Las versiones de OneWireless WDM afectadas son de 322.1 a 322.4 y de 330.1 a 330.3."}], "id": "CVE-2025-2521", "lastModified": "2025-07-15T13:14:49.980", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "[email protected]", "type": "Secondary"}]}, "published": "2025-07-10T21:15:27.200", "references": [{"source": "[email protected]", "url": "https://process.honeywell.com/"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "[email protected]", "type": "Secondary"}]}

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