Siemens SIMATIC s7-1500 Software Controller CPU 1508s v2 vulnerabilities

14 CVEs affecting Siemens SIMATIC s7-1500 Software Controller CPU 1508s v2, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-63357, published 2026-10-13.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-46887, published 2024-10-08. Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days. The web server of affected devices do not properly authenticate user request to the '/ClientArea/RuntimeInfoData.mwsl' endpoint. This could allow an unauthenticated remote attacker to gain knowledge…
CVE-2026-25787, published 2026-05-12. Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days. Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" page of the web interface. This could allow an authenticated attacker…
CVE-2026-25786, published 2026-05-12. Critical severity, CVSS 9.1. EPSS: 0.5% chance of exploitation in the next 30 days. Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow an authenticated attacker who is…
CVE-2025-40943, published 2026-03-10. Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days. Affected devices do not properly sanitize contents of trace files. This could allow an attacker to inject code through social engineering an authorized user, who has the function right "Read…
CVE-2026-25789, published 2026-05-12. High severity, CVSS 7.1. EPSS: 0.5% chance of exploitation in the next 30 days. Affected devices do not properly validate and sanitize filenames on the Firmware Update page. This could allow a remote attacker to social engineer the user into selecting the modified firmware file…
CVE-2026-63354, published 2026-10-13. Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days. Affected devices do not properly validate and sanitize visual marker data contained in imported CSV trace files before rendering it on the Trace page. This could allow an attacker to social…
CVE-2026-63353, published 2026-10-13. Critical severity, CVSS 9.6. EPSS: 0.4% chance of exploitation in the next 30 days. Affected devices do not properly sanitize comment fields contained in imported trace files before rendering them on the Trace page. This could allow an attacker to social engineer an authorized…
CVE-2026-63350, published 2026-10-13. Critical severity, CVSS 9.6. EPSS: 0.4% chance of exploitation in the next 30 days. Affected devices do not properly restrict executable content contained in imported trace files. This could allow an attacker to social engineer an authorized user who holds the function right…
CVE-2024-46886, published 2024-10-08. Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days. The web server of affected devices does not properly validate input that is used for a user redirection. This could allow an attacker to make the server redirect the legitimate user to an…
CVE-2026-63357, published 2026-10-13. Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days. 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…

Latest

CVE-2026-63356, published 2026-10-13. Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days. Affected devices do not properly sanitize calculated signal names contained in imported CSV trace files before including them in error messages on the Trace page. This could allow an attacker to…
CVE-2026-63355, published 2026-10-13. Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days. Affected devices do not properly sanitize signal names contained in imported CSV trace files before rendering them in selection menus on the Trace page. This could allow an attacker to social…
CVE-2026-63352, published 2026-10-13. Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days. Affected devices do not properly sanitize calculated signal data contained in imported CSV trace files before rendering it on the Trace page. This could allow an attacker to social engineer an…
CVE-2026-63351, published 2026-10-13. Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days. Affected devices do not properly validate and sanitize visual properties of calculated signals contained in imported CSV trace files before rendering them on the Trace page. This could allow an…