CVE-2026-22906

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductWago 0852-1322
PublishedFeb 9, 2026
First seenFeb 9, 2026
Weakness typeCWE-321CWE-321

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
WAGO 0852-1322v ≤ 2.64, 2.64—
WAGO 0852-1328v ≤ 2.64, 2.64—

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