CVE-2026-82929 Use of Shared Cryptographic Key in mH-DEVELOPER
Attackers can intercept credentials and traffic via man-in-the-middle attacks due to shared hard-coded SSH keys in mH-DEVELOPER smart home modules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82929?
CVE-2026-82929 is a medium-severity vulnerability in F&F Filipowski mH-DEVELOPER, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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
Weakness: CWE-321
Which versions are affected by CVE-2026-82929?
How do I fix CVE-2026-82929?
No fix has been published for CVE-2026-82929 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-82929 being exploited?
There is no known exploitation of CVE-2026-82929 in the wild and no public exploit code.
Sources
Also known as GHSA-mh6x-hrvc-rqhh.