CVE-2016-9154: Siemens Desigo Web Module PXA30-w0 Firmware

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

Siemens Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 for Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D (All firmware versions < V6.00.046) and Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 for Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U (All firmware versions < V6.00.046) use a pseudo random number generator with insufficient entropy to generate certificates for HTTPS, potentially allowing remote attackers to reconstruct the corresponding private key.

Affected products

• Siemens Desigo Web Module PXA30-w0 Firmware: up to and including 6.00.00
• Siemens Desigo Web Module PXA30-w1 Firmware: up to and including 6.00.00
• Siemens Desigo Web Module PXA30-w2 Firmware: up to and including 6.00.00
• Siemens Desigo Web Module PXA40-w0 Firmware: up to and including 6.00.00
• Siemens Desigo Web Module PXA40-w1 Firmware: up to and including 6.00.00
• Siemens Desigo Web Module PXA40-w2 Firmware: up to and including 6.00.00

Published 2016-12-23. Last modified 2026-06-17.