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Medium · 6.3 CVE-2026-82929 EUVD-2026-88229GHSA-mh6x-hrvc-rqhh

Use of Shared Cryptographic Key in mH-DEVELOPER

Published Sep 28, 2026 · Updated Sep 28, 2026 · Assigned by CERT-PL

Description

mH-DEVELOPER smart home module uses the same hard-coded SSH host keys on every device, with no per-device key generation. An attacker who extracts these keys from the firmware can set up a rogue SSH server that clients will trust without warning, enabling man-in-the-middle attacks and credential interception.
This issue was fixed in version 3.0.30

Affected products

VendorProductAffectedFixed
F&F Filipowski mH-DEVELOPER < 3.0.30 3.0.30

References