CVE-2026-14837

SSH Enablement Signature Verification Bypass

Published Jul 27, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Lenze c430
Lenze c550
Lenze i950 Gena
Lenze i950 Genb
Vendors & Products Lenze c430
Lenze c550
Lenze i950 Gena
Lenze i950 Genb
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title SSH Enablement Signature Verification Bypass
First Time appeared Lenze
Lenze c4xx Firmware
Lenze c5xx Firmware
Lenze i950 Firmware
Weaknesses CWE-347
CPEs cpe:2.3:o:lenze:c4xx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenze:c5xx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenze:i950_firmware:*:*:*:*:*:*:*:*
Vendors & Products Lenze
Lenze c4xx Firmware
Lenze c5xx Firmware
Lenze i950 Firmware
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Jul 27, 2026, 2:01 PM
Reserved
Jul 6, 2026, 9:59 AM
Status
Deferred
Published
Jul 27, 2026, 8:16 AM
Modified
Jul 30, 2026, 2:31 PM