CVE-2026-4769 | BDVDB-2026-347188 Detail

Description#

Certain devices in the WAGO System I/O Field series activate an internal diagnostic capability during the initial startup sequence. This functionality is not formally documented and becomes accessible without authentication for a brief period in the early boot phase. During this window, an unauthenticated remote attacker can gain access to the internal system processes, resulting in full system compromise.

Impact#

Weaknesses#

References#

Exploit#

History#

1. Version 12026-07-13Record published in the CVE List.