CVE-2026-82929
Use of Shared Cryptographic Key in mH-DEVELOPER
- State
- Published
- Severity
- 6.3 Medium
- Published
- Sep 28, 2026
- Updated
- Sep 28, 2026
- Reserved
- Aug 31, 2026
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
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.3 Medium | 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 | CERT-PL |
Weaknesses
- CWE-321 Use of Hard-coded Cryptographic Key
Affected Products
| Product | Versions |
|---|---|
mH-DEVELOPERF&F Filipowski |
|
References
- https://cert.pl/posts/2026/09/CVE-2026-82928/third-party-advisory
- https://www.fif.com.pl/pl/strona-glowna/1367-mh-developer.htmlproduct
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