Vulnerability · Published Feb 9, 2026 · Assigned by CERTVDE

CVE-2026-22906Hardcoded Key Allows Credential Disclosure

Critical 9.8

In plain English

A critical-severity security flaw in 0852-1322 from WAGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 70.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
WAGO 0852-1322 0.0.0 – through 2.64
WAGO 0852-1328 0.0.0 – through 2.64
WAGO 0852-1322 2.64
WAGO 0852-1328 2.64

Weakness: CWE-321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References