{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40820", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "state": "PUBLISHED", "assignerShortName": "siemens", "dateReserved": "2025-04-16T08:50:26.975Z", "datePublished": "2025-12-09T10:44:30.977Z", "dateUpdated": "2025-12-09T15:55:23.400Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2025-12-09T10:44:30.977Z"}, "descriptions": [{"lang": "en", "value": "Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to interfere with connection setup, potentially leading to a denial of service. The attack succeeds only if an attacker can inject IP packets with spoofed addresses at precisely timed moments, and it affects only TCP-based services."}], "affected": [{"vendor": "Siemens", "product": "SIDOOR ATD430W", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIDOOR ATE530G COATED", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIDOOR ATE530S COATED", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC CFU DIQ", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.0.0", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC CFU PA", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.0.0", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC CFU PA", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.0.0", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200AL IM 157-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200clean, CM 8x IO-Link", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200clean, DI 16x24VDC", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200clean, DIQ 16x24VDC/0,5A", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, AI 8xRTD/TC, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, CM 4x IO-Link, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, CM 8x IO-Link, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, CM 8x IO-Link, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, DI 16x24VDC, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, DI 8x24VDC, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, DIQ 16x24VDC/2A, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, DQ 8x24VDC/0,5A, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200eco PN, DQ 8x24VDC/2A, M12-L", "versions": [{"status": "affected", "version": "V5.1.1", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200MP IM 155-5 PN HF", "versions": [{"status": "affected", "version": "V4.2.0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200pro IM 154-8 PN/DP CPU", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200pro IM 154-8F PN/DP CPU", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200pro IM 154-8FX PN/DP CPU", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200S IM 151-8 PN/DP CPU", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200S IM 151-8F PN/DP CPU", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1510SP F-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1510SP-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1512SP F-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP CPU 1512SP-1 PN", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP IM 155-6 MF HF", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC ET 200SP IM 155-6 PN HA (incl. 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[{"status": "affected", "version": "0", "lessThan": "V6.0.0", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Power Line Booster PLB, Base Module", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC Power Line Booster PLB, Modem Module ST", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1200 CPU 1211C AC/DC/Rly", "versions": [{"status": "affected", "version": "0", "lessThan": "V4.4.0", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1200 CPU 1211C DC/DC/DC", "versions": [{"status": "affected", "version": "0", "lessThan": "V4.4.0", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1200 CPU 1211C 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"version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-400 CPU 416F-3 PN/DP V7", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-400 H V6 CPU family (incl. 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MITRE
Vulnrichment
NVD
Redhat
OpenCVE Enrichment