CVE-2026-14837 SSH Enablement Signature Verification Bypass
A local attacker can bypass SSH signature verification to gain administrative access and compromise Lenze industrial controllers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14837?
CVE-2026-14837 is a high-severity vulnerability in Lenze c430, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-347
Which versions are affected by CVE-2026-14837?
How do I fix CVE-2026-14837?
No fix has been published for CVE-2026-14837 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-14837 being exploited?
There is no known exploitation of CVE-2026-14837 in the wild and no public exploit code.
Sources
Also known as GHSA-fcw6-hwx8-wwx8.