CVE-2026-14837

SSH Enablement Signature Verification Bypass

State: Published
Severity: 8.5 High
Published: Jul 27, 2026
Updated: Jul 27, 2026
Reserved: Jul 6, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	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	CERTVDE
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CERTVDE

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
c430Lenze	1.0.0 to before 1.15.2Affected
c520Lenze	1.0.0 to before 1.15.2Affected
c550Lenze	1.0.0 to before 1.15.2Affected
i950 GenALenze	1.0.0 to before 1.14.2Affected
i950 GenBLenze	2.0.0 to before 2.0.3Affected

References

https://www.certvde.com/en/advisories/VDE-2026-077/

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