HIGH 7.7 NVD
CVE-2026-82928
mH-DEVELOPER smart home module contains a hardcoded SSH public key in /root/.ssh/authorized_keys, serving as a potential backdoor. The SSH daemon allows root lo
mH-DEVELOPER smart home module contains a hardcoded SSH public key in /root/.ssh/authorized_keys, serving as a potential backdoor. The SSH daemon allows root login via key authentication and starts automatically. An attacker with the matching private key can gain a root shell on any affected device, resulting in full system compromise. The key cannot be removed without remounting the file system and survives a factory reset. Vendor notes that this functionality was used only for service purposes.
This issue was fixed in version 3.0.30
References
- https://cert.pl/posts/2026/09/CVE-2026-82928/
- https://www.fif.com.pl/pl/strona-glowna/1367-mh-developer.html
This high severity vulnerability with a CVSS score of 7.7 was published on 2026-09-28 via NVD.
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