# Out-of-bounds read in Siemens SIMATIC CP 1604 and others CVE record · `CVE-2019-6568` - **Identifiers:** `CVE-2019-6568` - **State:** Confirmed - **Severity:** CVSS 7.5 High - **Critical:** No - **CNA:** siemens - **Weakness (CWE):** [CWE-125](https://cwe.mitre.org/data/definitions/125.html) - **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md) - **Technologies:** [Siemens SIMATIC CP 1604](https://agentprime.io/advisories/technology/siemens-simatic-cp-1604.md) · [Siemens SIMATIC CP 1616](https://agentprime.io/advisories/technology/siemens-simatic-cp-1616.md) · [Siemens SIMATIC CP 343-1 Advanced](https://agentprime.io/advisories/technology/siemens-simatic-cp-343-1-advanced.md) · [Siemens SIMATIC CP 443-1](https://agentprime.io/advisories/technology/siemens-simatic-cp-443-1.md) · [Siemens SIMATIC CP 443-1 Advanced](https://agentprime.io/advisories/technology/siemens-simatic-cp-443-1-advanced.md) · [Siemens SIMATIC CP 443-1 OPC UA](https://agentprime.io/advisories/technology/siemens-simatic-cp-443-1-opc-ua.md) · [Siemens SIMATIC ET 200pro IM154-8 PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200pro-im154-8-pn-dp-cpu.md) · [Siemens SIMATIC ET 200pro IM154-8F PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200pro-im154-8f-pn-dp-cpu.md) · [Siemens SIMATIC ET 200pro IM154-8FX PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200pro-im154-8fx-pn-dp-cpu.md) · [Siemens SIMATIC ET 200S IM151-8 PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200s-im151-8-pn-dp-cpu.md) · [Siemens SIMATIC ET 200S IM151-8F PN/DP CPU](https://agentprime.io/advisories/technology/siemens-simatic-et-200s-im151-8f-pn-dp-cpu.md) · [Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-open-controller-cpu-1515sp-pc-incl-siplus-variants.md) · [Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)](https://agentprime.io/advisories/technology/siemens-simatic-et-200sp-open-controller-cpu-1515sp-pc2-incl-siplus-variants.md) · [Siemens SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants)](https://agentprime.io/advisories/technology/siemens-simatic-hmi-comfort-outdoor-panels-7-15-incl-siplus-variants.md) · [Siemens SIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants)](https://agentprime.io/advisories/technology/siemens-simatic-hmi-comfort-panels-4-22-incl-siplus-variants.md) · [Siemens SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F](https://agentprime.io/advisories/technology/siemens-simatic-hmi-ktp-mobile-panels-ktp400f-ktp700-ktp700f-ktp900-and-ktp900f.md) · [Siemens SIMATIC IPC DiagMonitor](https://agentprime.io/advisories/technology/siemens-simatic-ipc-diagmonitor.md) · [Siemens SIMATIC RF182C](https://agentprime.io/advisories/technology/siemens-simatic-rf182c.md) · [Siemens SIMATIC RF185C](https://agentprime.io/advisories/technology/siemens-simatic-rf185c.md) · [Siemens SIMATIC RF186C](https://agentprime.io/advisories/technology/siemens-simatic-rf186c.md) - **Published:** 17 Apr 2019 - **Updated:** 3 Jun 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: siemens) at 17 Apr 2019, 13:40 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: Siemens. Product: SIMATIC CP 1604. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CP 1616. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CP 343-1 Advanced. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CP 443-1. - affected: `All versions < V3.3` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CP 443-1. - affected: `All versions < V3.3` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CP 443-1 Advanced. - affected: `All versions < V3.3` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC CP 443-1 OPC UA. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200pro IM154-8 PN/DP CPU. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200pro IM154-8F PN/DP CPU. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200pro IM154-8FX PN/DP CPU. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200S IM151-8 PN/DP CPU. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200S IM151-8F PN/DP CPU. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants). - affected: `All versions < V2.1.6` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants). - affected: `All versions < V2.7` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants). - affected: `All versions < V15.1 Upd4` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants). - affected: `All versions < V15.1 Upd4` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F. - affected: `All versions < V15.1 Upd4` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC IPC DiagMonitor. - affected: `All versions < V5.1.3` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC RF182C. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC RF185C. - affected: `All versions < V1.1.0` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC RF186C. - affected: `All versions < V1.1.0` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC RF188C. - affected: `All versions < V1.1.0` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC RF600R family. - affected: `All versions < V3.2.1` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC RFID 181EIP. - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants). - affected: `All versions < V2.6.1` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-1500 Software Controller. - affected: `All versions < V2.7` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 314C-2 PN/DP. - affected: `All versions < V3.3.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 315-2 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 315F-2 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 315T-3 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317-2 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317F-2 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317T-3 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 317TF-3 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 319-3 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-300 CPU 319F-3 PN/DP. - affected: `All versions < V3.2.16` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants). - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants). - affected: `All versions` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC S7-PLCSIM Advanced. - affected: `All versions < V2.0 SP1 UPD1` - Other versions: unknown - Vendor: Siemens. Product: SIMATIC Teleservice Adapter IE Advanced. - affected: `All versions` - Other versions: unknown And 57 more products. The full list is on the CVE record: ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 7.5 High, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C`, from CNA (siemens) - **CISA KEV:** Not listed. - **EPSS:** 0.014, the 72nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 17 Apr 2019. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2019-6568](https://www.cve.org/CVERecord?id=CVE-2019-6568) - [NVD: CVE-2019-6568](https://nvd.nist.gov/vuln/detail/CVE-2019-6568) ### References from the CNA - - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .