CVE-2026-34022
Weak custom cryptography and hard-coded keys in Wertheim SafeController 65000 allow traffic decryption
The Wertheim SafeController Family 65000, Controller 65000 - AssemblyVersion 6.11.8130.22319, uses weak custom cryptographic algorithms with hard-coded cryptographic keys to protect communication. An attacker in an adversary-in-the-middle position can decrypt the data traffic. During reassessment, it was possible to break the encryption/decryption routine and decrypt messages without knowledge of the encryption key. It was also possible to gain knowledge about the encryption key by intercepting enough messages.
| CWE | CWE-321 |
| Vendor | wertheim gmbh |
| Product | wertheim safecontroller family 65000 hardware for vault rooms (safe deposit locker system - microcontroller) |
| Published | Jun 15, 2026 |
| Last Updated | Jun 15, 2026 |
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