{"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":"2025-08-04T19:44:27.744Z"},"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":"Demid Uzenkov and Kirill Kutaev (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). 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.</p><p>Honeywell recommends updating to the most recent version of Honeywell Experion PKS:\n\n520.2 TCU9 HF1 and&nbsp;530.1 TCU3 HF1 and OneWireless:&nbsp;322.5 and 331.1.</p><p><br>The 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.</p>"}],"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 530.1 TCU3 HF1 and OneWireless: 322.5 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."}],"impacts":[{"capecId":"CAPEC-540","descriptions":[{"lang":"en","value":"CAPEC-540 Overread Buffers"}]}],"metrics":[{"cvssV3_1":{"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"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"0dc86260-d7e3-4e81-ba06-3508e030ce8d","shortName":"Honeywell","dateUpdated":"2025-08-04T19:44:27.744Z"},"references":[{"url":"https://process.honeywell.com/"}],"source":{"discovery":"EXTERNAL"},"title":"Lack of indexes’ validation against buffer borders leads to remote code execution.","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-10T20:33:41.946048Z","id":"CVE-2025-2521","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-07-10T20:33:49.166Z"}}]}}