CVE-2026-22906: Wago 0852-1322

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

User credentials are stored using AES‑ECB encryption with a hardcoded key. An unauthenticated remote attacker obtaining the configuration file can decrypt and recover plaintext usernames and passwords, especially when combined with the authentication bypass.

Affected products

• Wago 0852-1322: from 0.0.0, up to and including 2.64; version 2.64 only
• Wago 0852-1328: from 0.0.0, up to and including 2.64; version 2.64 only

Published 2026-02-09. Last modified 2026-06-17.