CVE-2026-14837: Lenze c430

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

Multiple Lenze products are affected by an improper signature verification vulnerability in the SSH enablement mechanism. A low-privileged local attacker can bypass verification of the SSH enable file signature and enable SSH access on the device. Successful exploitation may result in unauthorized administrative access and complete system compromise.

Affected products

• Lenze c430: from 1.0.0, before 1.15.2 (fixed in 1.15.2)
• Lenze c520: from 1.0.0, before 1.15.2 (fixed in 1.15.2)
• Lenze c550: from 1.0.0, before 1.15.2 (fixed in 1.15.2)
• Lenze i950 Gena: from 1.0.0, before 1.14.2 (fixed in 1.14.2)
• Lenze i950 Genb: from 2.0.0, before 2.0.3 (fixed in 2.0.3)

Published 2026-07-27. Last modified 2026-07-30.