CVE-2026-8979

The Mennekes Amtron series (firmware versions ≤ 5.22.3) is vulnerable to an authentication bypass. An unauthenticated remote attacker can change the password of the user account via a crafted POST request to the /operator/operator endpoint.

More information : https://cyberdanube.com/security-research/multiple-vulnerabilities-in-mennekes-amtron-series/