CVE-2026-82929

Use of Shared Cryptographic Key in mH-DEVELOPER

Published Sep 28, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
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

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 F&f Filipowski
F&f Filipowski mh-developer
Vendors & Products F&f Filipowski
F&f Filipowski mh-developer
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
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
Title Use of Shared Cryptographic Key in mH-DEVELOPER
First Time appeared F F Filipowski
F F Filipowski mh-developer
Weaknesses CWE-321
CPEs cpe:2.3:a:f_f_filipowski:mh-developer:*:*:*:*:*:*:*:*
Vendors & Products F F Filipowski
F F Filipowski mh-developer
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
Sep 28, 2026, 1:31 PM
Reserved
Aug 31, 2026, 12:23 PM
Status
Deferred
Published
Sep 28, 2026, 1:17 PM
Modified
Sep 28, 2026, 4:31 PM