Vulnerability in Wago 0765-110x/0100-0000
CVE-2026-4769
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 per…
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Wago 0765-110x/0100-0000 — versions 1.0.0.0
- Wago 0765-120x/0100-0000 — versions 1.0.0.0
- Wago 0765-150x/0100-0000 — versions 1.0.0.0
- Wago 0765-2101/0100-0000 — versions 1.0.0.0
- Wago 0765-2102/0100-0000 — versions 1.0.0.0
- Wago 0765-410x/0100-0000 — versions 1.0.0.0
- Wago 0765-420x/0100-0000 — versions 1.0.0.0
- Wago 0765-450x/0100-0000 — versions 1.0.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-4769?
- CVE-2026-4769 is a critical-severity vulnerability in Wago 0765-110x/0100-0000, classified under Hidden Functionality. CVSS score: 9.8/10. Published 2026-07-13.
- How severe is CVE-2026-4769?
- Critical severity. CVSS v3 base score is 9.8 out of 10.