{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90572", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-12T16:11:37.054Z", "datePublished": "2026-09-13T17:15:10.721Z", "dateUpdated": "2026-09-13T17:15:10.721Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-13T17:15:10.721Z"}, "title": "davenardella snap7 s7_micro_client.cpp opUpload memory corruption", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "davenardella", "product": "snap7", "versions": [{"version": "1.4.0", "status": "affected"}, {"version": "1.4.1", "status": "affected"}, {"version": "1.4.2", "status": "affected"}, {"version": "1.4.3", "status": "affected"}], "cpes": ["cpe:2.3:a:davenardella:snap7:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in davenardella snap7 up to 1.4.3. The affected element is the function TSnap7MicroClient::opUpload of the file src/core/s7_micro_client.cpp. Executing a manipulation of the argument DataLen can lead to memory corruption. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 4.7, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 4.7, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.8, "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-08-01T00:00:00.000Z", "lang": "en", "value": "Vendor informed"}, {"time": "2026-08-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-12T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-12T18:59:00.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Mayur Agnihotri", "type": "finder"}, {"lang": "en", "value": "mayur021 (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "mayur021 (VulDB User)", "type": "analyst"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/403157", "name": "VDB-403157 | davenardella snap7 s7_micro_client.cpp opUpload memory corruption", "tags": ["vdb-entry", "technical-description", "mitigation"]}, {"url": "https://vuldb.com/vuln/403157/cti", "name": "VDB-403157 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-90572", "name": "CVE-2026-90572 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/912711", "name": "Submit #912711 | davenardella snap7 1.4.3 Memory Corruption", "tags": ["third-party-advisory"]}, {"url": "https://github.com/davenardella/snap7/issues/30", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/davenardella/snap7/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202609"]}}}

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