Vulnerability · Published Jul 27, 2026 · Assigned by CERTVDE

CVE-2026-14837SSH Enablement Signature Verification Bypass

High 7.8

In plain English

A high-severity security flaw in c430 from Lenze. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 98.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 (as reported)

VendorProductVersions
Lenze c430 1.0.0 – before 1.15.2
Lenze c520 1.0.0 – before 1.15.2
Lenze c550 1.0.0 – before 1.15.2
Lenze i950 GenA 1.0.0 – before 1.14.2
Lenze i950 GenB 2.0.0 – before 2.0.3

Weakness: CWE-347 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References