The Undocumented Backdoor: Critical 10.0 CVSS Flaw Hits WAGO Managed Switches
ID: 2be00727-fd93-5395-890f-b0954fcad79d
STIX ID: report--2be00727-fd93-5395-890f-b0954fcad79d
Feed Name: securityonline.info
Threat Score
### Executive Summary: A critical, unauthenticated remote vulnerability (CVE-2026-3587, CVSS 10.0) was found in multiple WAGO Managed and Lean Managed Switch models that allows an attacker to escape a restricted CLI via an undocumented function and achieve full system compromise; WAGO has released patched firmware for affected models and users are urged to update immediately.
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