Auth bypass in Sick Tdc-x401gl
CVE-2026-22909
Certain system functions may be accessed without proper authorization, allowing attackers to start, stop, or delete installed applications, potentially disrupting system operations.
EPSS: 0.005 (39.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Sick Tdc-x401gl
- Sick Tdc-x401gl_firmware
- Sick Ag Tdc-x401gl — versions all versions
Weakness classification (CWE)
References
- psirt@sick.de (x_SICK PSIRT Security Advisories, Vendor Advisory)
- psirt@sick.de (x_SICK Operating Guidelines, Product)
- psirt@sick.de (US Government Resource, x_ICS-CERT recommended practices on Industrial Security)
- psirt@sick.de (x_CVSS v3.1 Calculator, Not Applicable)
- psirt@sick.de (x_The canonical URL., Vendor Advisory)
- psirt@sick.de (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-22909?
- CVE-2026-22909 is a high-severity vulnerability in Sick Tdc-x401gl, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-01-15.
- How severe is CVE-2026-22909?
- High severity. CVSS v3 base score is 7.5 out of 10.